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

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


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

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

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

Reorder the terms:
-3 + x + 2x + -1x = (-1x) + 9

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

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

Reorder the terms:
-3 + 2x = 9 + (-1x)

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

Solving for variable 'x'.

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

Add '(x)' to each side of the equation.
-3 + 2x + (x) = 9 + (-1x) + (x)
-3 + 2x + x = 9 + (-1x) + (x)

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

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

Add '3' to each side of the equation.
-3 + 3 + 3x = 9 + 3

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

Combine like terms: 9 + 3 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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