-30-6a=-2(9a-3)

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Solution for -30-6a=-2(9a-3) equation:


Simplifying
-30 + -6a = -2(9a + -3)

Reorder the terms:
-30 + -6a = -2(-3 + 9a)
-30 + -6a = (-3 * -2 + 9a * -2)
-30 + -6a = (6 + -18a)

Solving
-30 + -6a = 6 + -18a

Solving for variable 'a'.

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

Add '18a' to each side of the equation.
-30 + -6a + 18a = 6 + -18a + 18a

Combine like terms: -6a + 18a = 12a
-30 + 12a = 6 + -18a + 18a

Combine like terms: -18a + 18a = 0
-30 + 12a = 6 + 0
-30 + 12a = 6

Add '30' to each side of the equation.
-30 + 30 + 12a = 6 + 30

Combine like terms: -30 + 30 = 0
0 + 12a = 6 + 30
12a = 6 + 30

Combine like terms: 6 + 30 = 36
12a = 36

Divide each side by '12'.
a = 3

Simplifying
a = 3

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