3x-3(-4-2x)=12+9x

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Solution for 3x-3(-4-2x)=12+9x equation: 


Simplifying
3x + -3(-4 + -2x) = 12 + 9x
3x + (-4 * -3 + -2x * -3) = 12 + 9x
3x + (12 + 6x) = 12 + 9x

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

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

Add '-12' to each side of the equation.
12 + -12 + 9x = 12 + -12 + 9x

Combine like terms: 12 + -12 = 0
0 + 9x = 12 + -12 + 9x
9x = 12 + -12 + 9x

Combine like terms: 12 + -12 = 0
9x = 0 + 9x
9x = 9x

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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