3(4x-7)=-21+12x

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Solution for 3(4x-7)=-21+12x equation: 


Simplifying
3(4x + -7) = -21 + 12x

Reorder the terms:
3(-7 + 4x) = -21 + 12x
(-7 * 3 + 4x * 3) = -21 + 12x
(-21 + 12x) = -21 + 12x

Add '21' to each side of the equation.
-21 + 21 + 12x = -21 + 21 + 12x

Combine like terms: -21 + 21 = 0
0 + 12x = -21 + 21 + 12x
12x = -21 + 21 + 12x

Combine like terms: -21 + 21 = 0
12x = 0 + 12x
12x = 12x

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

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

Combine like terms: 12x + -12x = 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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