7(n-8)=-31+2n

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Solution for 7(n-8)=-31+2n equation:


Simplifying
7(n + -8) = -31 + 2n

Reorder the terms:
7(-8 + n) = -31 + 2n
(-8 * 7 + n * 7) = -31 + 2n
(-56 + 7n) = -31 + 2n

Solving
-56 + 7n = -31 + 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.
-56 + 7n + -2n = -31 + 2n + -2n

Combine like terms: 7n + -2n = 5n
-56 + 5n = -31 + 2n + -2n

Combine like terms: 2n + -2n = 0
-56 + 5n = -31 + 0
-56 + 5n = -31

Add '56' to each side of the equation.
-56 + 56 + 5n = -31 + 56

Combine like terms: -56 + 56 = 0
0 + 5n = -31 + 56
5n = -31 + 56

Combine like terms: -31 + 56 = 25
5n = 25

Divide each side by '5'.
n = 5

Simplifying
n = 5

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