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

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


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

Reorder the terms:
3(-2 + a) = 9(a + 2)
(-2 * 3 + a * 3) = 9(a + 2)
(-6 + 3a) = 9(a + 2)

Reorder the terms:
-6 + 3a = 9(2 + a)
-6 + 3a = (2 * 9 + a * 9)
-6 + 3a = (18 + 9a)

Solving
-6 + 3a = 18 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-6 + 3a + -9a = 18 + 9a + -9a

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

Combine like terms: 9a + -9a = 0
-6 + -6a = 18 + 0
-6 + -6a = 18

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

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

Combine like terms: 18 + 6 = 24
-6a = 24

Divide each side by '-6'.
a = -4

Simplifying
a = -4

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