x-(-3x)=6

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Solution for x-(-3x)=6 equation: 


Simplifying
x + -1(-3x) = 6

Remove parenthesis around (-3x)
x + -1 * -3x = 6

Multiply -1 * -3
x + 3x = 6

Combine like terms: x + 3x = 4x
4x = 6

Solving
4x = 6

Solving for variable 'x'.

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

Divide each side by '4'.
x = 1.5

Simplifying
x = 1.5

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