15=(1-3x)+x

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Solution for 15=(1-3x)+x equation:


Simplifying
15 = (1 + -3x) + x

Remove parenthesis around (1 + -3x)
15 = 1 + -3x + x

Combine like terms: -3x + x = -2x
15 = 1 + -2x

Solving
15 = 1 + -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.
15 + 2x = 1 + -2x + 2x

Combine like terms: -2x + 2x = 0
15 + 2x = 1 + 0
15 + 2x = 1

Add '-15' to each side of the equation.
15 + -15 + 2x = 1 + -15

Combine like terms: 15 + -15 = 0
0 + 2x = 1 + -15
2x = 1 + -15

Combine like terms: 1 + -15 = -14
2x = -14

Divide each side by '2'.
x = -7

Simplifying
x = -7

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