13(n-3)=9n-31

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Solution for 13(n-3)=9n-31 equation:


Simplifying
13(n + -3) = 9n + -31

Reorder the terms:
13(-3 + n) = 9n + -31
(-3 * 13 + n * 13) = 9n + -31
(-39 + 13n) = 9n + -31

Reorder the terms:
-39 + 13n = -31 + 9n

Solving
-39 + 13n = -31 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
-39 + 13n + -9n = -31 + 9n + -9n

Combine like terms: 13n + -9n = 4n
-39 + 4n = -31 + 9n + -9n

Combine like terms: 9n + -9n = 0
-39 + 4n = -31 + 0
-39 + 4n = -31

Add '39' to each side of the equation.
-39 + 39 + 4n = -31 + 39

Combine like terms: -39 + 39 = 0
0 + 4n = -31 + 39
4n = -31 + 39

Combine like terms: -31 + 39 = 8
4n = 8

Divide each side by '4'.
n = 2

Simplifying
n = 2

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