3(a+2)-7+13-(a+2)=

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Solution for 3(a+2)-7+13-(a+2)= equation:


Simplifying
3(a + 2) + -7 + 13 + -1(a + 2) = 0

Reorder the terms:
3(2 + a) + -7 + 13 + -1(a + 2) = 0
(2 * 3 + a * 3) + -7 + 13 + -1(a + 2) = 0
(6 + 3a) + -7 + 13 + -1(a + 2) = 0

Reorder the terms:
6 + 3a + -7 + 13 + -1(2 + a) = 0
6 + 3a + -7 + 13 + (2 * -1 + a * -1) = 0
6 + 3a + -7 + 13 + (-2 + -1a) = 0

Reorder the terms:
6 + -7 + 13 + -2 + 3a + -1a = 0

Combine like terms: 6 + -7 = -1
-1 + 13 + -2 + 3a + -1a = 0

Combine like terms: -1 + 13 = 12
12 + -2 + 3a + -1a = 0

Combine like terms: 12 + -2 = 10
10 + 3a + -1a = 0

Combine like terms: 3a + -1a = 2a
10 + 2a = 0

Solving
10 + 2a = 0

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + 2a = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 2a = 0 + -10
2a = 0 + -10

Combine like terms: 0 + -10 = -10
2a = -10

Divide each side by '2'.
a = -5

Simplifying
a = -5

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