12a-12=-4(9-3a)

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Solution for 12a-12=-4(9-3a) equation: 


Simplifying
12a + -12 = -4(9 + -3a)

Reorder the terms:
-12 + 12a = -4(9 + -3a)
-12 + 12a = (9 * -4 + -3a * -4)
-12 + 12a = (-36 + 12a)

Add '-12a' to each side of the equation.
-12 + 12a + -12a = -36 + 12a + -12a

Combine like terms: 12a + -12a = 0
-12 + 0 = -36 + 12a + -12a
-12 = -36 + 12a + -12a

Combine like terms: 12a + -12a = 0
-12 = -36 + 0
-12 = -36

Solving
-12 = -36

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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