300=x+75

Solution for 300=x+75 equation:

Simplifying
300 = x + 75

Reorder the terms:
300 = 75 + x

Solving
300 = 75 + x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.
300 + -1x = 75 + x + -1x

Combine like terms: x + -1x = 0
300 + -1x = 75 + 0
300 + -1x = 75

Add '-300' to each side of the equation.
300 + -300 + -1x = 75 + -300

Combine like terms: 300 + -300 = 0
0 + -1x = 75 + -300
-1x = 75 + -300

Combine like terms: 75 + -300 = -225
-1x = -225

Divide each side by '-1'.
x = 225

Simplifying
x = 225