3(a+3)=2a+12

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Solution for 3(a+3)=2a+12 equation:


Simplifying
3(a + 3) = 2a + 12

Reorder the terms:
3(3 + a) = 2a + 12
(3 * 3 + a * 3) = 2a + 12
(9 + 3a) = 2a + 12

Reorder the terms:
9 + 3a = 12 + 2a

Solving
9 + 3a = 12 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
9 + 3a + -2a = 12 + 2a + -2a

Combine like terms: 3a + -2a = 1a
9 + 1a = 12 + 2a + -2a

Combine like terms: 2a + -2a = 0
9 + 1a = 12 + 0
9 + 1a = 12

Add '-9' to each side of the equation.
9 + -9 + 1a = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 1a = 12 + -9
1a = 12 + -9

Combine like terms: 12 + -9 = 3
1a = 3

Divide each side by '1'.
a = 3

Simplifying
a = 3

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