4х=25-х

To solve the equation 4x = 25 - x, we can first combine like terms by adding x to both sides, then solve for x.

4x + x = 25 - x + x 5x = 25

Now, divide both sides by 5 to solve for x:

x = 25 / 5 x = 5

Therefore, the solution to the equation 4x = 25 - x is x = 5.