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

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Solution for 9(a-2)=3(a+4) equation:


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

Reorder the terms:
9(-2 + a) = 3(a + 4)
(-2 * 9 + a * 9) = 3(a + 4)
(-18 + 9a) = 3(a + 4)

Reorder the terms:
-18 + 9a = 3(4 + a)
-18 + 9a = (4 * 3 + a * 3)
-18 + 9a = (12 + 3a)

Solving
-18 + 9a = 12 + 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.
-18 + 9a + -3a = 12 + 3a + -3a

Combine like terms: 9a + -3a = 6a
-18 + 6a = 12 + 3a + -3a

Combine like terms: 3a + -3a = 0
-18 + 6a = 12 + 0
-18 + 6a = 12

Add '18' to each side of the equation.
-18 + 18 + 6a = 12 + 18

Combine like terms: -18 + 18 = 0
0 + 6a = 12 + 18
6a = 12 + 18

Combine like terms: 12 + 18 = 30
6a = 30

Divide each side by '6'.
a = 5

Simplifying
a = 5

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