Question

Problem 1 y=-x-1, y=-2x Show work Problem 2 y=3x+2 y=-2x+7

Answer 1

Problem 1:
y = -x - 1

y = -2x

Plug it in.

-2x = -x - 1

Get the x on one side.

-2x = -1x - 1
+1x   +1x

Add.

-1x = - 1