3x-(-x)=3x+11

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Solution for 3x-(-x)=3x+11 equation:


Simplifying
3x + -1(-1x) = 3x + 11

Remove parenthesis around (-1x)
3x + -1 * -1x = 3x + 11

Multiply -1 * -1
3x + 1x = 3x + 11

Combine like terms: 3x + 1x = 4x
4x = 3x + 11

Reorder the terms:
4x = 11 + 3x

Solving
4x = 11 + 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.
4x + -3x = 11 + 3x + -3x

Combine like terms: 4x + -3x = 1x
1x = 11 + 3x + -3x

Combine like terms: 3x + -3x = 0
1x = 11 + 0
1x = 11

Divide each side by '1'.
x = 11

Simplifying
x = 11

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