39=3a-9

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Solution for 39=3a-9 equation:


Simplifying
39 = 3a + -9

Reorder the terms:
39 = -9 + 3a

Solving
39 = -9 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
39 + -3a = -9 + 3a + -3a

Combine like terms: 3a + -3a = 0
39 + -3a = -9 + 0
39 + -3a = -9

Add '-39' to each side of the equation.
39 + -39 + -3a = -9 + -39

Combine like terms: 39 + -39 = 0
0 + -3a = -9 + -39
-3a = -9 + -39

Combine like terms: -9 + -39 = -48
-3a = -48

Divide each side by '-3'.
a = 16

Simplifying
a = 16

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