-3(5-6a)=39

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Solution for -3(5-6a)=39 equation: 


Simplifying
-3(5 + -6a) = 39
(5 * -3 + -6a * -3) = 39
(-15 + 18a) = 39

Solving
-15 + 18a = 39

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 + 18a = 39 + 15

Combine like terms: -15 + 15 = 0
0 + 18a = 39 + 15
18a = 39 + 15

Combine like terms: 39 + 15 = 54
18a = 54

Divide each side by '18'.
a = 3

Simplifying
a = 3

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