7n-4(5n-5)=111

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Solution for 7n-4(5n-5)=111 equation:


Simplifying
7n + -4(5n + -5) = 111

Reorder the terms:
7n + -4(-5 + 5n) = 111
7n + (-5 * -4 + 5n * -4) = 111
7n + (20 + -20n) = 111

Reorder the terms:
20 + 7n + -20n = 111

Combine like terms: 7n + -20n = -13n
20 + -13n = 111

Solving
20 + -13n = 111

Solving for variable 'n'.

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

Add '-20' to each side of the equation.
20 + -20 + -13n = 111 + -20

Combine like terms: 20 + -20 = 0
0 + -13n = 111 + -20
-13n = 111 + -20

Combine like terms: 111 + -20 = 91
-13n = 91

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

Simplifying
n = -7

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