3(a-3)+6=12

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


Simplifying
3(a + -3) + 6 = 12

Reorder the terms:
3(-3 + a) + 6 = 12
(-3 * 3 + a * 3) + 6 = 12
(-9 + 3a) + 6 = 12

Reorder the terms:
-9 + 6 + 3a = 12

Combine like terms: -9 + 6 = -3
-3 + 3a = 12

Solving
-3 + 3a = 12

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 3a = 12 + 3

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

Combine like terms: 12 + 3 = 15
3a = 15

Divide each side by '3'.
a = 5

Simplifying
a = 5

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