a-4a=36

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Solution for a-4a=36 equation: 


Simplifying
a + -4a = 36

Combine like terms: a + -4a = -3a
-3a = 36

Solving
-3a = 36

Solving for variable 'a'.

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

Divide each side by '-3'.
a = -12

Simplifying
a = -12

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