lindsay11230 lindsay11230

10-12-2021
Mathematics

contestada

In Substitution

3+2x-y=0
-3-7y=10X

Respuesta :

tinybooyah tinybooyah

11-12-2021

Answer:

i think x = -1, y = 1

Step-by-step explanation:

3+2x-y=0

so 3+2x = y

-3-7y=10X

-3-7(3+2x) = 10x

-3-21-14x = 10x

-24-14x = 10x

-14x-10x = 24

-24x = 24

x = -1

3+2x = y

so 3+2(-1) = y

3+(-2) = y

1 = y

SO x = -1 and y = 1

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