7n+8+7n=-20

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Solution for 7n+8+7n=-20 equation:


Simplifying
7n + 8 + 7n = -20

Reorder the terms:
8 + 7n + 7n = -20

Combine like terms: 7n + 7n = 14n
8 + 14n = -20

Solving
8 + 14n = -20

Solving for variable 'n'.

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

Add '-8' to each side of the equation.
8 + -8 + 14n = -20 + -8

Combine like terms: 8 + -8 = 0
0 + 14n = -20 + -8
14n = -20 + -8

Combine like terms: -20 + -8 = -28
14n = -28

Divide each side by '14'.
n = -2

Simplifying
n = -2

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