15=3(2a-3)

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


Simplifying
15 = 3(2a + -3)

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

Solving
15 = -9 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
15 + -6a = -9 + 6a + -6a

Combine like terms: 6a + -6a = 0
15 + -6a = -9 + 0
15 + -6a = -9

Add '-15' to each side of the equation.
15 + -15 + -6a = -9 + -15

Combine like terms: 15 + -15 = 0
0 + -6a = -9 + -15
-6a = -9 + -15

Combine like terms: -9 + -15 = -24
-6a = -24

Divide each side by '-6'.
a = 4

Simplifying
a = 4

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