Question

im rushing and have like 20 more things so if someone could actually help me right answers, please. T~T

Answer 1

1

Explanation:

4x-18=x-18=3x

the two 18 cancel out

4x=x+3x

combine like terms

4x=4x

dvide and any number divided by its self is 1

Answer 2

1. a. 0=0, 4x=4x, -18=-18
b. 3
2.a. 0=-2, 2= 0
b. 2