360=x+x+(x-30)+(x-40)

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Solution for 360=x+x+(x-30)+(x-40) equation:


Simplifying
360 = x + x + (x + -30) + (x + -40)

Reorder the terms:
360 = x + x + (-30 + x) + (x + -40)

Remove parenthesis around (-30 + x)
360 = x + x + -30 + x + (x + -40)

Reorder the terms:
360 = x + x + -30 + x + (-40 + x)

Remove parenthesis around (-40 + x)
360 = x + x + -30 + x + -40 + x

Reorder the terms:
360 = -30 + -40 + x + x + x + x

Combine like terms: -30 + -40 = -70
360 = -70 + x + x + x + x

Combine like terms: x + x = 2x
360 = -70 + 2x + x + x

Combine like terms: 2x + x = 3x
360 = -70 + 3x + x

Combine like terms: 3x + x = 4x
360 = -70 + 4x

Solving
360 = -70 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
360 + -4x = -70 + 4x + -4x

Combine like terms: 4x + -4x = 0
360 + -4x = -70 + 0
360 + -4x = -70

Add '-360' to each side of the equation.
360 + -360 + -4x = -70 + -360

Combine like terms: 360 + -360 = 0
0 + -4x = -70 + -360
-4x = -70 + -360

Combine like terms: -70 + -360 = -430
-4x = -430

Divide each side by '-4'.
x = 107.5

Simplifying
x = 107.5

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