Question

Solve with substitution
3x=-y+10
2x+3y=-12​

Answer 1

(6, -8)

Explanation:

3x = -y +10

3x-3x +y = -y+y +10 -3x

y = -3x +10

2x + 3(-3x + 10) = -12

2x -9x +30 = -12

-7x +30 = -12

-30 -30

-7x = -42

-7x/-7 = -42/-7

x= 6

y = -3x + 10

y = -3(6) +10

y = -18 + 10

y = -8