7n+12=20n-79

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Solution for 7n+12=20n-79 equation:


Simplifying
7n + 12 = 20n + -79

Reorder the terms:
12 + 7n = 20n + -79

Reorder the terms:
12 + 7n = -79 + 20n

Solving
12 + 7n = -79 + 20n

Solving for variable 'n'.

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

Add '-20n' to each side of the equation.
12 + 7n + -20n = -79 + 20n + -20n

Combine like terms: 7n + -20n = -13n
12 + -13n = -79 + 20n + -20n

Combine like terms: 20n + -20n = 0
12 + -13n = -79 + 0
12 + -13n = -79

Add '-12' to each side of the equation.
12 + -12 + -13n = -79 + -12

Combine like terms: 12 + -12 = 0
0 + -13n = -79 + -12
-13n = -79 + -12

Combine like terms: -79 + -12 = -91
-13n = -91

Divide each side by '-13'.
n = 7

Simplifying
n = 7

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