9=3x+3(-2x)

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


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

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

Multiply 3 * -2
9 = 3x + -6x

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

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

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

Add '-9' to each side of the equation.
9 + -9 + 3x = 0 + -9

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

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

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

Simplifying
x = -3

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