x-30+x-30+x-30=540

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


Simplifying
x + -30 + x + -30 + x + -30 = 540

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

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

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

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

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

Solving
-90 + 3x = 540

Solving for variable 'x'.

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

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

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

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

Divide each side by '3'.
x = 210

Simplifying
x = 210

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