-31+4n=7(n-1)

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Solution for -31+4n=7(n-1) equation:


Simplifying
-31 + 4n = 7(n + -1)

Reorder the terms:
-31 + 4n = 7(-1 + n)
-31 + 4n = (-1 * 7 + n * 7)
-31 + 4n = (-7 + 7n)

Solving
-31 + 4n = -7 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
-31 + 4n + -7n = -7 + 7n + -7n

Combine like terms: 4n + -7n = -3n
-31 + -3n = -7 + 7n + -7n

Combine like terms: 7n + -7n = 0
-31 + -3n = -7 + 0
-31 + -3n = -7

Add '31' to each side of the equation.
-31 + 31 + -3n = -7 + 31

Combine like terms: -31 + 31 = 0
0 + -3n = -7 + 31
-3n = -7 + 31

Combine like terms: -7 + 31 = 24
-3n = 24

Divide each side by '-3'.
n = -8

Simplifying
n = -8

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