480=x+(x-30)

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Solution for 480=x+(x-30) equation:


Simplifying
480 = x + (x + -30)

Reorder the terms:
480 = x + (-30 + x)

Remove parenthesis around (-30 + x)
480 = x + -30 + x

Reorder the terms:
480 = -30 + x + x

Combine like terms: x + x = 2x
480 = -30 + 2x

Solving
480 = -30 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
480 + -2x = -30 + 2x + -2x

Combine like terms: 2x + -2x = 0
480 + -2x = -30 + 0
480 + -2x = -30

Add '-480' to each side of the equation.
480 + -480 + -2x = -30 + -480

Combine like terms: 480 + -480 = 0
0 + -2x = -30 + -480
-2x = -30 + -480

Combine like terms: -30 + -480 = -510
-2x = -510

Divide each side by '-2'.
x = 255

Simplifying
x = 255

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