-36=81+9a

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Solution for -36=81+9a equation:


Simplifying
-36 = 81 + 9a

Solving
-36 = 81 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-36 + -9a = 81 + 9a + -9a

Combine like terms: 9a + -9a = 0
-36 + -9a = 81 + 0
-36 + -9a = 81

Add '36' to each side of the equation.
-36 + 36 + -9a = 81 + 36

Combine like terms: -36 + 36 = 0
0 + -9a = 81 + 36
-9a = 81 + 36

Combine like terms: 81 + 36 = 117
-9a = 117

Divide each side by '-9'.
a = -13

Simplifying
a = -13

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