Question

9 = - X + 8
Solve the equation

Answer 1

9 = - X + 8

move +8 to the other side

sign changes from +8 to -8

9-8= -x+8-8

9-8= -x

1= -x

mutiply both sides by -1 to get +x

(1)(-1) =(-x)(-1)

Answer: x=-1