x+(x-30)=3x

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Solution for x+(x-30)=3x equation:


Simplifying
x + (x + -30) = 3x

Reorder the terms:
x + (-30 + x) = 3x

Remove parenthesis around (-30 + x)
x + -30 + x = 3x

Reorder the terms:
-30 + x + x = 3x

Combine like terms: x + x = 2x
-30 + 2x = 3x

Solving
-30 + 2x = 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.
-30 + 2x + -3x = 3x + -3x

Combine like terms: 2x + -3x = -1x
-30 + -1x = 3x + -3x

Combine like terms: 3x + -3x = 0
-30 + -1x = 0

Add '30' to each side of the equation.
-30 + 30 + -1x = 0 + 30

Combine like terms: -30 + 30 = 0
0 + -1x = 0 + 30
-1x = 0 + 30

Combine like terms: 0 + 30 = 30
-1x = 30

Divide each side by '-1'.
x = -30

Simplifying
x = -30

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