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

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


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

Reorder the terms:
2(6 + a) + 3(a + -2) = 18
(6 * 2 + a * 2) + 3(a + -2) = 18
(12 + 2a) + 3(a + -2) = 18

Reorder the terms:
12 + 2a + 3(-2 + a) = 18
12 + 2a + (-2 * 3 + a * 3) = 18
12 + 2a + (-6 + 3a) = 18

Reorder the terms:
12 + -6 + 2a + 3a = 18

Combine like terms: 12 + -6 = 6
6 + 2a + 3a = 18

Combine like terms: 2a + 3a = 5a
6 + 5a = 18

Solving
6 + 5a = 18

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 5a = 18 + -6

Combine like terms: 6 + -6 = 0
0 + 5a = 18 + -6
5a = 18 + -6

Combine like terms: 18 + -6 = 12
5a = 12

Divide each side by '5'.
a = 2.4

Simplifying
a = 2.4

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