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[x = -4y] [3x + 2y = 20] *

User AlenBer
by
8.9k points

2 Answers

6 votes

Hi there! Hopefully this helps!

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Answer to solving for y: y = -2.

Answer for simplifying the expression: -12y - 4.

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We are given that x = -4y and that the equation is 3x + 2y = 20.

We need to evaluate.

3x + 2y = 20

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3(-4y) + 2y = 20.

To solve for y, y = -2.

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3(-4y) + 2(-2) = -12y - 4.

User Agrejus
by
8.3k points
1 vote

Answer:

y= -2 x=8

Explanation:

3 (-4y)+2y=20

-12y+2y=20

-10y=20

y= -2

x= -4 (-2)

x=8

User VzR
by
7.4k points

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