What is 3x-2y=11
X+2y=9 using substitution

(5, 2)

Step-by-step explanation:

We have hte equations:

3x - 2y = 11

x + 2y = 9

Solving by substituting simply means writing one variable in terms of the other, plugging that into the other equation, and then solving.

x + 2y = 9

x = 9 - 2y

Plug in 9 - 2y for x in the first equation:

3x - 2y = 11

3 * (9 - 2y) - 2y = 11

27 - 6y - 2y = 11

27 - 8y = 11

16 = 8y

y = 2

Use this to find x:

x = 9 - 2y = 9 - 2 * 2 = 9 - 4 = 5

The solution is (5, 2).

proofs involving isosceles triangles often require special consideration because an isosceles triangle has several distinct properties that do not apply to normal triangles.(more about triangle types) therefore, when you are trying to prove that two triangles are congruent, and one or both triangles, are isosceles you have a few theorems that you can use to make your life easier.

step-by-step explanation:

an isosceles triangle has two congruent sides and two congruent angles. the congruent angles are called the base angles and the other angle is known as the vertex angle. ∠bac and ∠bca are the base angles of the triangle picture on the left. the vertex angle is ∠abc

from the sentence, "tomorrow morning, akiko will arrive an hour late" depicts a third person perspective because it doesn't use any pronoun to replace akiko, the subject of the sentence, and it is in singular form since akiko is only one person.