Answer:
solution: x = -8
Step by step:
1) 5x-5+5 = -45+5 : Add 5 to both sides
2) 5x= -40 : Simplify
3) 5x/5 = -40/5 : Divide both sides
Hope that helps
30|2
15|3
5|5
1
54|2
27|3
9|3
3|3
the answer is 'C' bacause you have to multiplied between them