(125+-25)*3=x

Solution for (125+-25)*3=x equation:

Simplifying
(125 + -25) * 3 = x

Combine like terms: 125 + -25 = 100
(100) * 3 = x

Multiply 100 * 3
300 = x

Solving
300 = 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 = x + -1x

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

Add '-300' to each side of the equation.
300 + -300 + -1x = 0 + -300

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

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

Divide each side by '-1'.
x = 300

Simplifying
x = 300