Mathematics, 07.03.2021 03:20 divaughn1906

PLZ HELP The equation 7(w+6)=28 is solved in several steps below.
For each step, choose the reason that best justifies it.
7w+42=28
addition property of equality
subtraction property of equality
multiplication property of equality
division property of equality
simplifying
distributive property
7w+42-42=28-42
addition property of equality
subtraction property of equality
multiplication property of equality
division property of equality
simplifying
distributive property
7w=-14
addition property of equality
subtraction property of equality
multiplication property of equality
division property of equality
simplifying
distributive property
7w = -14
7 7
addition property of equality
subtraction property of equality
multiplication property of equality
division property of equality
simplifying
distributive property
w=-2
addition property of equality
subtraction property of equality
multiplication property of equality
division property of equality
simplifying
distributive property

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 14:30

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

Answers: 1

Answer

Mathematics, 21.06.2019 17:30

Use the distributive law to multiply. 3(4x + 5y + 6)

Answers: 2

Answer

Mathematics, 21.06.2019 19:20

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Answers: 1

Answer

Mathematics, 22.06.2019 01:30

Mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.

Answers: 2

Answer

You know the right answer?

PLZ HELP The equation 7(w+6)=28 is solved in several steps below.
For each step, choose the r...

Questions

Mathematics, 22.08.2021 18:00

10. Name the one example of Analog computer...