7n-13=57

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Solution for 7n-13=57 equation: 


Simplifying
7n + -13 = 57

Reorder the terms:
-13 + 7n = 57

Solving
-13 + 7n = 57

Solving for variable 'n'.

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

Add '13' to each side of the equation.
-13 + 13 + 7n = 57 + 13

Combine like terms: -13 + 13 = 0
0 + 7n = 57 + 13
7n = 57 + 13

Combine like terms: 57 + 13 = 70
7n = 70

Divide each side by '7'.
n = 10

Simplifying
n = 10

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