3x+9=6x-3(x+3)

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Solution for 3x+9=6x-3(x+3) equation: 


Simplifying
3x + 9 = 6x + -3(x + 3)

Reorder the terms:
9 + 3x = 6x + -3(x + 3)

Reorder the terms:
9 + 3x = 6x + -3(3 + x)
9 + 3x = 6x + (3 * -3 + x * -3)
9 + 3x = 6x + (-9 + -3x)

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

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

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

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

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

Solving
9 = -9

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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