4n-5-7n=31

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Solution for 4n-5-7n=31 equation:


Simplifying
4n + -5 + -7n = 31

Reorder the terms:
-5 + 4n + -7n = 31

Combine like terms: 4n + -7n = -3n
-5 + -3n = 31

Solving
-5 + -3n = 31

Solving for variable 'n'.

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

Add '5' to each side of the equation.
-5 + 5 + -3n = 31 + 5

Combine like terms: -5 + 5 = 0
0 + -3n = 31 + 5
-3n = 31 + 5

Combine like terms: 31 + 5 = 36
-3n = 36

Divide each side by '-3'.
n = -12

Simplifying
n = -12

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