-9-3a=-36

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Solution for -9-3a=-36 equation: 


Simplifying
-9 + -3a = -36

Solving
-9 + -3a = -36

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + -3a = -36 + 9

Combine like terms: -9 + 9 = 0
0 + -3a = -36 + 9
-3a = -36 + 9

Combine like terms: -36 + 9 = -27
-3a = -27

Divide each side by '-3'.
a = 9

Simplifying
a = 9

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