3(a+3)=-30

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Solution for 3(a+3)=-30 equation: 


Simplifying
3(a + 3) = -30

Reorder the terms:
3(3 + a) = -30
(3 * 3 + a * 3) = -30
(9 + 3a) = -30

Solving
9 + 3a = -30

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + 3a = -30 + -9

Combine like terms: 9 + -9 = 0
0 + 3a = -30 + -9
3a = -30 + -9

Combine like terms: -30 + -9 = -39
3a = -39

Divide each side by '3'.
a = -13

Simplifying
a = -13

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