540=(x-30)+(x-30)+x-x+(x-30)

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Solution for 540=(x-30)+(x-30)+x-x+(x-30) equation: 


Simplifying
540 = (x + -30) + (x + -30) + x + -1x + (x + -30)

Reorder the terms:
540 = (-30 + x) + (x + -30) + x + -1x + (x + -30)

Remove parenthesis around (-30 + x)
540 = -30 + x + (x + -30) + x + -1x + (x + -30)

Reorder the terms:
540 = -30 + x + (-30 + x) + x + -1x + (x + -30)

Remove parenthesis around (-30 + x)
540 = -30 + x + -30 + x + x + -1x + (x + -30)

Reorder the terms:
540 = -30 + x + -30 + x + x + -1x + (-30 + x)

Remove parenthesis around (-30 + x)
540 = -30 + x + -30 + x + x + -1x + -30 + x

Reorder the terms:
540 = -30 + -30 + -30 + x + x + x + -1x + x

Combine like terms: -30 + -30 = -60
540 = -60 + -30 + x + x + x + -1x + x

Combine like terms: -60 + -30 = -90
540 = -90 + x + x + x + -1x + x

Combine like terms: x + x = 2x
540 = -90 + 2x + x + -1x + x

Combine like terms: 2x + x = 3x
540 = -90 + 3x + -1x + x

Combine like terms: 3x + -1x = 2x
540 = -90 + 2x + x

Combine like terms: 2x + x = 3x
540 = -90 + 3x

Solving
540 = -90 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
540 + -3x = -90 + 3x + -3x

Combine like terms: 3x + -3x = 0
540 + -3x = -90 + 0
540 + -3x = -90

Add '-540' to each side of the equation.
540 + -540 + -3x = -90 + -540

Combine like terms: 540 + -540 = 0
0 + -3x = -90 + -540
-3x = -90 + -540

Combine like terms: -90 + -540 = -630
-3x = -630

Divide each side by '-3'.
x = 210

Simplifying
x = 210

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