6(a+2)-2(2a+5)=18

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Solution for 6(a+2)-2(2a+5)=18 equation:


Simplifying
6(a + 2) + -2(2a + 5) = 18

Reorder the terms:
6(2 + a) + -2(2a + 5) = 18
(2 * 6 + a * 6) + -2(2a + 5) = 18
(12 + 6a) + -2(2a + 5) = 18

Reorder the terms:
12 + 6a + -2(5 + 2a) = 18
12 + 6a + (5 * -2 + 2a * -2) = 18
12 + 6a + (-10 + -4a) = 18

Reorder the terms:
12 + -10 + 6a + -4a = 18

Combine like terms: 12 + -10 = 2
2 + 6a + -4a = 18

Combine like terms: 6a + -4a = 2a
2 + 2a = 18

Solving
2 + 2a = 18

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 2a = 18 + -2

Combine like terms: 2 + -2 = 0
0 + 2a = 18 + -2
2a = 18 + -2

Combine like terms: 18 + -2 = 16
2a = 16

Divide each side by '2'.
a = 8

Simplifying
a = 8

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