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12-02-2021
Mathematics

contestada

y= -2x-2, -2x+4y=12 please help i'll give 100 points.

solve it in substitution

Respuesta :

12-02-2021

Answer:

x = -2 and y= 2

Step-by-step explanation:

y=-2x-2 and -2x+4y=12

Substitute: -2x+4(-2x-2)=12

Distribute: -2x-8x-8=12

Combine like terms: -10x-8=12

Simplify: -10x=20

20/-10 = -2

Use that value to solve for y

y=-2x-2

Substitute x value: y=-2(-2)-2

Simplify: y=2

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