Question

Y= 5x + 4
y= -3x - 12

Answer 1

x=-2 y=-6

Explanation

5x+4=-3x-12

+3 +3x

8x+4=-12

-4 -4

8x=-16

÷8 ÷8

x=-2

Looking for y too, plug x into the original equation

5(-2)+4

-10+4

-6

y=-6