2x+3(-x)-x=2x-x+9

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Solution for 2x+3(-x)-x=2x-x+9 equation:


Simplifying
2x + 3(-1x) + -1x = 2x + -1x + 9

Remove parenthesis around (-1x)
2x + 3 * -1x + -1x = 2x + -1x + 9

Multiply 3 * -1
2x + -3x + -1x = 2x + -1x + 9

Combine like terms: 2x + -3x = -1x
-1x + -1x = 2x + -1x + 9

Combine like terms: -1x + -1x = -2x
-2x = 2x + -1x + 9

Reorder the terms:
-2x = 9 + 2x + -1x

Combine like terms: 2x + -1x = 1x
-2x = 9 + 1x

Solving
-2x = 9 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-2x + -1x = 9 + 1x + -1x

Combine like terms: -2x + -1x = -3x
-3x = 9 + 1x + -1x

Combine like terms: 1x + -1x = 0
-3x = 9 + 0
-3x = 9

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

Simplifying
x = -3

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