-84=7a

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Solution for -84=7a equation:


Simplifying
-84 = 7a

Solving
-84 = 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-84 + -7a = 7a + -7a

Combine like terms: 7a + -7a = 0
-84 + -7a = 0

Add '84' to each side of the equation.
-84 + 84 + -7a = 0 + 84

Combine like terms: -84 + 84 = 0
0 + -7a = 0 + 84
-7a = 0 + 84

Combine like terms: 0 + 84 = 84
-7a = 84

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

Simplifying
a = -12

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