3(8-2n)-7=n+31

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Solution for 3(8-2n)-7=n+31 equation:


Simplifying
3(8 + -2n) + -7 = n + 31
(8 * 3 + -2n * 3) + -7 = n + 31
(24 + -6n) + -7 = n + 31

Reorder the terms:
24 + -7 + -6n = n + 31

Combine like terms: 24 + -7 = 17
17 + -6n = n + 31

Reorder the terms:
17 + -6n = 31 + n

Solving
17 + -6n = 31 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
17 + -6n + -1n = 31 + n + -1n

Combine like terms: -6n + -1n = -7n
17 + -7n = 31 + n + -1n

Combine like terms: n + -1n = 0
17 + -7n = 31 + 0
17 + -7n = 31

Add '-17' to each side of the equation.
17 + -17 + -7n = 31 + -17

Combine like terms: 17 + -17 = 0
0 + -7n = 31 + -17
-7n = 31 + -17

Combine like terms: 31 + -17 = 14
-7n = 14

Divide each side by '-7'.
n = -2

Simplifying
n = -2

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