90+150=x

Solution for 90+150=x equation:

Simplifying
90 + 150 = x

Combine like terms: 90 + 150 = 240
240 = x

Solving
240 = 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.
240 + -1x = x + -1x

Combine like terms: x + -1x = 0
240 + -1x = 0

Add '-240' to each side of the equation.
240 + -240 + -1x = 0 + -240

Combine like terms: 240 + -240 = 0
0 + -1x = 0 + -240
-1x = 0 + -240

Combine like terms: 0 + -240 = -240
-1x = -240

Divide each side by '-1'.
x = 240

Simplifying
x = 240