3(a-3)=(2a+4)

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Solution for 3(a-3)=(2a+4) equation:


Simplifying
3(a + -3) = (2a + 4)

Reorder the terms:
3(-3 + a) = (2a + 4)
(-3 * 3 + a * 3) = (2a + 4)
(-9 + 3a) = (2a + 4)

Reorder the terms:
-9 + 3a = (4 + 2a)

Remove parenthesis around (4 + 2a)
-9 + 3a = 4 + 2a

Solving
-9 + 3a = 4 + 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 = 4 + 2a + -2a

Combine like terms: 3a + -2a = 1a
-9 + 1a = 4 + 2a + -2a

Combine like terms: 2a + -2a = 0
-9 + 1a = 4 + 0
-9 + 1a = 4

Add '9' to each side of the equation.
-9 + 9 + 1a = 4 + 9

Combine like terms: -9 + 9 = 0
0 + 1a = 4 + 9
1a = 4 + 9

Combine like terms: 4 + 9 = 13
1a = 13

Divide each side by '1'.
a = 13

Simplifying
a = 13

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