2(a-6)=-9

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


Simplifying
2(a + -6) = -9

Reorder the terms:
2(-6 + a) = -9
(-6 * 2 + a * 2) = -9
(-12 + 2a) = -9

Solving
-12 + 2a = -9

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + 2a = -9 + 12

Combine like terms: -12 + 12 = 0
0 + 2a = -9 + 12
2a = -9 + 12

Combine like terms: -9 + 12 = 3
2a = 3

Divide each side by '2'.
a = 1.5

Simplifying
a = 1.5

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