-84=12a

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Solution for -84=12a equation:


Simplifying
-84 = 12a

Solving
-84 = 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
-84 + -12a = 12a + -12a

Combine like terms: 12a + -12a = 0
-84 + -12a = 0

Add '84' to each side of the equation.
-84 + 84 + -12a = 0 + 84

Combine like terms: -84 + 84 = 0
0 + -12a = 0 + 84
-12a = 0 + 84

Combine like terms: 0 + 84 = 84
-12a = 84

Divide each side by '-12'.
a = -7

Simplifying
a = -7

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