-15n+18n+4n-20n=13

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Solution for -15n+18n+4n-20n=13 equation: 


Simplifying
-15n + 18n + 4n + -20n = 13

Combine like terms: -15n + 18n = 3n
3n + 4n + -20n = 13

Combine like terms: 3n + 4n = 7n
7n + -20n = 13

Combine like terms: 7n + -20n = -13n
-13n = 13

Solving
-13n = 13

Solving for variable 'n'.

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

Divide each side by '-13'.
n = -1

Simplifying
n = -1

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