Question

Solve each system of equations algebraically.? y=x+12
y=-18


Show work?

Answer 1

x=-30 (correct me if I am wrong)

Explanation:

y=x+12

-18=x+12

-18-12=x

-18+-12=x

-18+-12=-30

x=-30

Answer 2

x= -30

Explanation:

y=x+12 y=-18

Substitute: -18=x+12

Solve: x= -30