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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