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

Show work?

x= -30

Step-by-step explanation:

y=x+12    y=-18

Substitute:   -18=x+12

Solve:           x= -30

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

Step-by-step explanation:

y=x+12

-18=x+12

-18-12=x

-18+-12=x

-18+-12=-30

x=-30

you need a common difference between consecutive terms to be constant, like 1,2,3,4 or 2,4,6,8, or 1,3,6,9

a reflection across the x-axis , followed by the by a reflection across the y-axis , and then a scale dilation of 0.5 .