(a+6)+7=

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Solution for (a+6)+7= equation:


Simplifying
(a + 6) + 7 = 0

Reorder the terms:
(6 + a) + 7 = 0

Remove parenthesis around (6 + a)
6 + a + 7 = 0

Reorder the terms:
6 + 7 + a = 0

Combine like terms: 6 + 7 = 13
13 + a = 0

Solving
13 + a = 0

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + a = 0 + -13

Combine like terms: 13 + -13 = 0
0 + a = 0 + -13
a = 0 + -13

Combine like terms: 0 + -13 = -13
a = -13

Simplifying
a = -13

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