-15a=9(4-3a)

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Solution for -15a=9(4-3a) equation: 


Simplifying
-15a = 9(4 + -3a)
-15a = (4 * 9 + -3a * 9)
-15a = (36 + -27a)

Solving
-15a = 36 + -27a

Solving for variable 'a'.

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

Add '27a' to each side of the equation.
-15a + 27a = 36 + -27a + 27a

Combine like terms: -15a + 27a = 12a
12a = 36 + -27a + 27a

Combine like terms: -27a + 27a = 0
12a = 36 + 0
12a = 36

Divide each side by '12'.
a = 3

Simplifying
a = 3

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