Question

-4x + -2y = -12 4x + 8y = -24 Solve each system of equations. Show all your work.

Answer 1

Answer: x=6, y=-6

Explanation:

-4x + -2y = -12 (a)

4x + 8y = -24 (b)

(a)+(b)= -4x+4x+8y+(-2y)=-12+(-24)

6y= -36

y=-6

put y=-6 into formula (a)

-4x+12=-12

-4x= -24

x=6