3(x+2x)=-3x+6x+12

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Solution for 3(x+2x)=-3x+6x+12 equation:


Simplifying
3(x + 2x) = -3x + 6x + 12

Combine like terms: x + 2x = 3x
3(3x) = -3x + 6x + 12

Remove parenthesis around (3x)
3 * 3x = -3x + 6x + 12

Multiply 3 * 3
9x = -3x + 6x + 12

Reorder the terms:
9x = 12 + -3x + 6x

Combine like terms: -3x + 6x = 3x
9x = 12 + 3x

Solving
9x = 12 + 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.
9x + -3x = 12 + 3x + -3x

Combine like terms: 9x + -3x = 6x
6x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
6x = 12 + 0
6x = 12

Divide each side by '6'.
x = 2

Simplifying
x = 2

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