Solve system of equations: 10x + 8y = -10 7x + 10y = 15

Thopaw asked Jul 10, 2023

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18 votes

Solve system of equations:

10x + 8y = -10

7x + 10y = 15

Thopaw asked Jul 10, 2023

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20 votes

Answer:

(x,y)=(-5,5)

Explanation:

$10x + 8y = -10\\\underline{7x + 10y = 15}\\-44y=-220\\y=\cfrac{220}{44} \\y=5$

$10x+8y=-10\\10x+8* 5=-10\\10x+40=-10\\102=-10-40\\10x=-50\\x=-50/10\\x=-5$

Hope it helps!

Bobs answered Jul 16, 2023

by Bobs

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