-30=3(6+4a)

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Solution for -30=3(6+4a) equation: 


Simplifying
-30 = 3(6 + 4a)
-30 = (6 * 3 + 4a * 3)
-30 = (18 + 12a)

Solving
-30 = 18 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
-30 + -12a = 18 + 12a + -12a

Combine like terms: 12a + -12a = 0
-30 + -12a = 18 + 0
-30 + -12a = 18

Add '30' to each side of the equation.
-30 + 30 + -12a = 18 + 30

Combine like terms: -30 + 30 = 0
0 + -12a = 18 + 30
-12a = 18 + 30

Combine like terms: 18 + 30 = 48
-12a = 48

Divide each side by '-12'.
a = -4

Simplifying
a = -4

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