-2=1-8n+7n

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


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

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

Solving
-2 = 1 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
-2 + n = 1 + -1n + n

Combine like terms: -1n + n = 0
-2 + n = 1 + 0
-2 + n = 1

Add '2' to each side of the equation.
-2 + 2 + n = 1 + 2

Combine like terms: -2 + 2 = 0
0 + n = 1 + 2
n = 1 + 2

Combine like terms: 1 + 2 = 3
n = 3

Simplifying
n = 3

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