-15+3a=6

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Solution for -15+3a=6 equation: 


Simplifying
-15 + 3a = 6

Solving
-15 + 3a = 6

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 15 + 3a = 6 + 15

Combine like terms: -15 + 15 = 0
0 + 3a = 6 + 15
3a = 6 + 15

Combine like terms: 6 + 15 = 21
3a = 21

Divide each side by '3'.
a = 7

Simplifying
a = 7

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