arllette
contestada

What variable do you eliminate?
4x + 8y = 20
-4x + 2y = -30
x because they have opposite signs
O
O
y because they don't have opposite signs
x but you have to multiply the top equation by 2, and the bottom equation by -2
O y but you
y but you have to multiply the bottom equation by 4

What variable do you eliminate 4x 8y 20 4x 2y 30 x because they have opposite signs O O y because they dont have opposite signs x but you have to multiply the t class=

Respuesta :

It is A

Hope this helps :3

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