Mathematics, 01.03.2021 22:50 ilovejustinbieber42

3(4x – 7y = 28) → 12x – 21y = 84 –2(6x – 5y = 31) → –12x + 10y = –62
12x – 21y = 84
+ –12x + 10y = –62
–11y = 22
y = –2
Complete the steps used to solve a system of linear equations by substituting the value of y into one of the original equations to find the value of x.

What is the solution to the system?

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 16:30

Which of the following is the correct ratio for converting kilograms to grams

Answers: 3

Answer

Mathematics, 21.06.2019 16:30

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Answers: 3

Answer

Mathematics, 21.06.2019 21:30

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?

Answers: 1

Answer

Mathematics, 21.06.2019 23:50

Determine the area of a triangle with (see picture below)

Answers: 1

Answer

You know the right answer?

3(4x – 7y = 28) → 12x – 21y = 84 –2(6x – 5y = 31) → –12x + 10y = –62
12x – 21y = 84
+...

Questions

Mathematics, 21.12.2021 19:30

what is the sampling process used on dollar street? in other words, the sample of families on the dollar street page were collected using a sample th...

Mathematics, 21.12.2021 19:30

The MOST important factors affecting the rate of inflation are: the unemployment rate and expected inflation. expected inflation and the real growth r...

Physics, 21.12.2021 19:30

A pail of water of mass 2000 gm is rotated in a vertical circle of radius 1.00 m. What is the pail’s minimum speed at the top of the circle if no wate...

SAT, 21.12.2021 19:30

Hunter has always been great at math. He has an accounting degree and wants to work for the federal government in the governance and public administra...

Mathematics, 21.12.2021 19:30

What is the correct formula when ca 2 is combined with po4-3....

English, 21.12.2021 19:30

What is the tone of this poem? How does the poem express this tone? How does the tone of this poem differ from other medieval texts you've read?...

Mathematics, 21.12.2021 19:30

Please help me find all choices that apply to the question...

SAT, 21.12.2021 19:30

Communication within neurons is , communication between neurons is....

Computers and Technology, 21.12.2021 19:30

: Write a program that reads a number and displays the square, cube, and fourth power. Use the ** operator only for the fourth power....

Social Studies, 21.12.2021 19:30

Elijah, a prophet of God, challenged the prophets of Baal to a competition. They would each set up a sacrifice. Elijah made one to God, and the prophe...

Computers and Technology, 21.12.2021 19:30

Tools S Zahra noticed a large weed in her mother's vegetable garden. She grabbed it with both hands. What kind of force will Zahra use to

SAT, 21.12.2021 19:30

In the fourth paragraph, the author calls gallaudet university "a symbol of leadership and opportunity" in order to....

English, 21.12.2021 19:30

Doctor es un nombre común o propio...

Social Studies, 21.12.2021 19:30

What are the key characteristics of the sociological approach to the study of social inequality? How does a sociological approach impact change orient...

Business, 21.12.2021 19:30

A(n) marketing system is a supply chain whose members act like a unified system. strategic concentrated independent conventional vertical...

SAT, 21.12.2021 19:30

Farmer john has recently acquired n new cows (3≤n≤5×105), each of whose breed is either guernsey or holstein. The cows are currently standing in a lin...

English, 21.12.2021 19:30

Anh bag or parcel without an ownerseen as a risk to the public....

Mathematics, 21.12.2021 19:30

Terry buys an orange for 62p. He pays with a £1 coin. How much change does he get? Give your answer in pence...

Business, 21.12.2021 19:30

The following transactions and adjusting entries were completed by Legacy Furniture Co. during a three-year period. All are related to the use of deli...

Business, 21.12.2021 19:30

Horizontal stretch by a factor of 2 reflection across the y axis and 5 units up...

More questions: Mathematics Another questions