-7-2n=20

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Solution for -7-2n=20 equation: 


Simplifying
-7 + -2n = 20

Solving
-7 + -2n = 20

Solving for variable 'n'.

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

Add '7' to each side of the equation.
-7 + 7 + -2n = 20 + 7

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

Combine like terms: 20 + 7 = 27
-2n = 27

Divide each side by '-2'.
n = -13.5

Simplifying
n = -13.5

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