Question

Solve system of equations:


10x + 8y = -10

7x + 10y = 15

Answer 1

(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!