The equation would be 5(x + 3) = 45
To solve:
1) Distribute 5 to x and then 5 to 3
2) That gives you this equation: 5x + 15 = 45
3) Then subtract 15 from both sides
4) You should get this: 5x = 30
5) Then divide 5/5 and 30/5 to isolate the x
6) The answer should be: x = 6
Have a good day/night :)