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

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


Simplifying
-3(2 + -1a) = 9(2a + 6)
(2 * -3 + -1a * -3) = 9(2a + 6)
(-6 + 3a) = 9(2a + 6)

Reorder the terms:
-6 + 3a = 9(6 + 2a)
-6 + 3a = (6 * 9 + 2a * 9)
-6 + 3a = (54 + 18a)

Solving
-6 + 3a = 54 + 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.
-6 + 3a + -18a = 54 + 18a + -18a

Combine like terms: 3a + -18a = -15a
-6 + -15a = 54 + 18a + -18a

Combine like terms: 18a + -18a = 0
-6 + -15a = 54 + 0
-6 + -15a = 54

Add '6' to each side of the equation.
-6 + 6 + -15a = 54 + 6

Combine like terms: -6 + 6 = 0
0 + -15a = 54 + 6
-15a = 54 + 6

Combine like terms: 54 + 6 = 60
-15a = 60

Divide each side by '-15'.
a = -4

Simplifying
a = -4

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