40+(150-20)+(150-10)+(50)=x

Solution for 40+(150-20)+(150-10)+(50)=x equation:

Simplifying
40 + (150 + -20) + (150 + -10) + (50) = x

Combine like terms: 150 + -20 = 130
40 + (130) + (150 + -10) + (50) = x
40 + 130 + (150 + -10) + (50) = x

Combine like terms: 150 + -10 = 140
40 + 130 + (140) + (50) = x
40 + 130 + 140 + (50) = x
40 + 130 + 140 + 50 = x

Combine like terms: 40 + 130 = 170
170 + 140 + 50 = x

Combine like terms: 170 + 140 = 310
310 + 50 = x

Combine like terms: 310 + 50 = 360
360 = x

Solving
360 = 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.
360 + -1x = x + -1x

Combine like terms: x + -1x = 0
360 + -1x = 0

Add '-360' to each side of the equation.
360 + -360 + -1x = 0 + -360

Combine like terms: 360 + -360 = 0
0 + -1x = 0 + -360
-1x = 0 + -360

Combine like terms: 0 + -360 = -360
-1x = -360

Divide each side by '-1'.
x = 360

Simplifying
x = 360