6a+3(a-2)=18-3a

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Solution for 6a+3(a-2)=18-3a equation:


Simplifying
6a + 3(a + -2) = 18 + -3a

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

Reorder the terms:
-6 + 6a + 3a = 18 + -3a

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

Solving
-6 + 9a = 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.
-6 + 9a + 3a = 18 + -3a + 3a

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

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

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

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

Combine like terms: 18 + 6 = 24
12a = 24

Divide each side by '12'.
a = 2

Simplifying
a = 2

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