Question

Find the solution of this system of equations. -x - 5y= 30, 10x + 5y= -75

Answer 1

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

Explanation:

-x-5y=30

10x+5y=-75

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9x=-45

x=-45/9

x=-5

-(-5)-5y=30

5-5y=30

5y=5-30

5y=-25

y=-25/5

y=-5