1-7n-2n=-8

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Solution for 1-7n-2n=-8 equation: 


Simplifying
1 + -7n + -2n = -8

Combine like terms: -7n + -2n = -9n
1 + -9n = -8

Solving
1 + -9n = -8

Solving for variable 'n'.

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

Add '-1' to each side of the equation.
1 + -1 + -9n = -8 + -1

Combine like terms: 1 + -1 = 0
0 + -9n = -8 + -1
-9n = -8 + -1

Combine like terms: -8 + -1 = -9
-9n = -9

Divide each side by '-9'.
n = 1

Simplifying
n = 1

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