9n-25=31+2n

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Solution for 9n-25=31+2n equation:


Simplifying
9n + -25 = 31 + 2n

Reorder the terms:
-25 + 9n = 31 + 2n

Solving
-25 + 9n = 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.
-25 + 9n + -2n = 31 + 2n + -2n

Combine like terms: 9n + -2n = 7n
-25 + 7n = 31 + 2n + -2n

Combine like terms: 2n + -2n = 0
-25 + 7n = 31 + 0
-25 + 7n = 31

Add '25' to each side of the equation.
-25 + 25 + 7n = 31 + 25

Combine like terms: -25 + 25 = 0
0 + 7n = 31 + 25
7n = 31 + 25

Combine like terms: 31 + 25 = 56
7n = 56

Divide each side by '7'.
n = 8

Simplifying
n = 8

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