Question

Please help ASAP!!!!!

Answer 1

45 = 15x - 9x/2

First combine like terms
15x - 9x is 4x

45=4x/2
Not multiply both sides by 2
45 x 2 = 90 4x/2 x 2 = 4x

90=4x
Divide both sides by 4 and you get
X=22.5