2(a-3)=-9

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Solution for 2(a-3)=-9 equation: 


Simplifying
2(a + -3) = -9

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

Solving
-6 + 2a = -9

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 2a = -9 + 6

Combine like terms: -6 + 6 = 0
0 + 2a = -9 + 6
2a = -9 + 6

Combine like terms: -9 + 6 = -3
2a = -3

Divide each side by '2'.
a = -1.5

Simplifying
a = -1.5

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