3(a-5)=39

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


Simplifying
3(a + -5) = 39

Reorder the terms:
3(-5 + a) = 39
(-5 * 3 + a * 3) = 39
(-15 + 3a) = 39

Solving
-15 + 3a = 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 + 3a = 39 + 15

Combine like terms: -15 + 15 = 0
0 + 3a = 39 + 15
3a = 39 + 15

Combine like terms: 39 + 15 = 54
3a = 54

Divide each side by '3'.
a = 18

Simplifying
a = 18

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