12-a=3x+6

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Solution for 12-a=3x+6 equation:


Simplifying
12 + -1a = 3x + 6

Reorder the terms:
12 + -1a = 6 + 3x

Solving
12 + -1a = 6 + 3x

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-12' to each side of the equation.
12 + -12 + -1a = 6 + -12 + 3x

Combine like terms: 12 + -12 = 0
0 + -1a = 6 + -12 + 3x
-1a = 6 + -12 + 3x

Combine like terms: 6 + -12 = -6
-1a = -6 + 3x

Divide each side by '-1'.
a = 6 + -3x

Simplifying
a = 6 + -3x

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