-3(6-5a)=12a+9

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Solution for -3(6-5a)=12a+9 equation:


Simplifying
-3(6 + -5a) = 12a + 9
(6 * -3 + -5a * -3) = 12a + 9
(-18 + 15a) = 12a + 9

Reorder the terms:
-18 + 15a = 9 + 12a

Solving
-18 + 15a = 9 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
-18 + 15a + -12a = 9 + 12a + -12a

Combine like terms: 15a + -12a = 3a
-18 + 3a = 9 + 12a + -12a

Combine like terms: 12a + -12a = 0
-18 + 3a = 9 + 0
-18 + 3a = 9

Add '18' to each side of the equation.
-18 + 18 + 3a = 9 + 18

Combine like terms: -18 + 18 = 0
0 + 3a = 9 + 18
3a = 9 + 18

Combine like terms: 9 + 18 = 27
3a = 27

Divide each side by '3'.
a = 9

Simplifying
a = 9

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