3(2a+3)-(3a-6)=15

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Solution for 3(2a+3)-(3a-6)=15 equation: 


Simplifying
3(2a + 3) + -1(3a + -6) = 15

Reorder the terms:
3(3 + 2a) + -1(3a + -6) = 15
(3 * 3 + 2a * 3) + -1(3a + -6) = 15
(9 + 6a) + -1(3a + -6) = 15

Reorder the terms:
9 + 6a + -1(-6 + 3a) = 15
9 + 6a + (-6 * -1 + 3a * -1) = 15
9 + 6a + (6 + -3a) = 15

Reorder the terms:
9 + 6 + 6a + -3a = 15

Combine like terms: 9 + 6 = 15
15 + 6a + -3a = 15

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

Add '-15' to each side of the equation.
15 + -15 + 3a = 15 + -15

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

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

Solving
3a = 0

Solving for variable 'a'.

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

Divide each side by '3'.
a = 0

Simplifying
a = 0

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