+23245 9x + 9 = 45 + 5x
First, get all the variables to one side by subtracting 5x from both sides:
9x - 5x + 9 = 45 + 5x - 5x
4x + 9 = 45
Now, get all numbers to the other side by subtracting 9 from both sides:
4x + 9 - 9 = 45 - 9
4x = 36
Finally, divide both sides by 4:
4x/4 = 36/4
x = 9
