4n+8+5n=2n-20

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Solution for 4n+8+5n=2n-20 equation:


Simplifying
4n + 8 + 5n = 2n + -20

Reorder the terms:
8 + 4n + 5n = 2n + -20

Combine like terms: 4n + 5n = 9n
8 + 9n = 2n + -20

Reorder the terms:
8 + 9n = -20 + 2n

Solving
8 + 9n = -20 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
8 + 9n + -2n = -20 + 2n + -2n

Combine like terms: 9n + -2n = 7n
8 + 7n = -20 + 2n + -2n

Combine like terms: 2n + -2n = 0
8 + 7n = -20 + 0
8 + 7n = -20

Add '-8' to each side of the equation.
8 + -8 + 7n = -20 + -8

Combine like terms: 8 + -8 = 0
0 + 7n = -20 + -8
7n = -20 + -8

Combine like terms: -20 + -8 = -28
7n = -28

Divide each side by '7'.
n = -4

Simplifying
n = -4

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