9=3(a+6)

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


Simplifying
9 = 3(a + 6)

Reorder the terms:
9 = 3(6 + a)
9 = (6 * 3 + a * 3)
9 = (18 + 3a)

Solving
9 = 18 + 3a

Solving for variable 'a'.

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

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

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

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

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

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

Divide each side by '-3'.
a = -3

Simplifying
a = -3

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