solve the equation -4x+12=-4 for x .
-4x +12 -12 = -4 -12-4x = -16x = 4
times both sides by -14x-12=4add 12 to both sides4x+12-12=4+124x+0=164x=16divide both sides by 4(4x)/4=16/4(4/4)x=41x=4x=4
