-2(a+3)-2=3a-15-8

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Solution for -2(a+3)-2=3a-15-8 equation:


Simplifying
-2(a + 3) + -2 = 3a + -15 + -8

Reorder the terms:
-2(3 + a) + -2 = 3a + -15 + -8
(3 * -2 + a * -2) + -2 = 3a + -15 + -8
(-6 + -2a) + -2 = 3a + -15 + -8

Reorder the terms:
-6 + -2 + -2a = 3a + -15 + -8

Combine like terms: -6 + -2 = -8
-8 + -2a = 3a + -15 + -8

Reorder the terms:
-8 + -2a = -15 + -8 + 3a

Combine like terms: -15 + -8 = -23
-8 + -2a = -23 + 3a

Solving
-8 + -2a = -23 + 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.
-8 + -2a + -3a = -23 + 3a + -3a

Combine like terms: -2a + -3a = -5a
-8 + -5a = -23 + 3a + -3a

Combine like terms: 3a + -3a = 0
-8 + -5a = -23 + 0
-8 + -5a = -23

Add '8' to each side of the equation.
-8 + 8 + -5a = -23 + 8

Combine like terms: -8 + 8 = 0
0 + -5a = -23 + 8
-5a = -23 + 8

Combine like terms: -23 + 8 = -15
-5a = -15

Divide each side by '-5'.
a = 3

Simplifying
a = 3

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