How to solve the problem of 5x-18 = 3.2X + 45?

How to solve the problem of 5x-18 = 3.2X + 45?


5X-18=3.2X+45
5X-3.2X=45+18
1.8X=63
X=35



Solution equation: 25 - (x + 1) = 5x


25-(x+1)=5x
25-x-1=5x
6x=24
x=4