3a-12=3a+4

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Solution for 3a-12=3a+4 equation: 


Simplifying
3a + -12 = 3a + 4

Reorder the terms:
-12 + 3a = 3a + 4

Reorder the terms:
-12 + 3a = 4 + 3a

Add '-3a' to each side of the equation.
-12 + 3a + -3a = 4 + 3a + -3a

Combine like terms: 3a + -3a = 0
-12 + 0 = 4 + 3a + -3a
-12 = 4 + 3a + -3a

Combine like terms: 3a + -3a = 0
-12 = 4 + 0
-12 = 4

Solving
-12 = 4

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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