Explanation

Given equation: 2x + 5 = 13

Subtract 5 from both sides to isolate 2x:

2x = 13 - 5

2x = 8

Now, divide by 2 to solve for x:

x = 8 / 2

x = 4

Therefore, the solution to the equation 2x + 5 = 13 is x = 4.