3x + 15 = 2x + 10 + x + 5

Answer: x can equal any number

Step-by-step explanation:

3x + 15 = 2x + 10 + x + 5

First, combine the like terms on the right side

2x + x = 3x

10 + 5 = 15

3x + 15 = 3x + 15

Subtract 15 from both sides

3x = 3x

Divide each side by 3

x = x

This means that x can equal any number, and the equation will always be true.