-5(3-7n)+7n=111

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Solution for -5(3-7n)+7n=111 equation:


Simplifying
-5(3 + -7n) + 7n = 111
(3 * -5 + -7n * -5) + 7n = 111
(-15 + 35n) + 7n = 111

Combine like terms: 35n + 7n = 42n
-15 + 42n = 111

Solving
-15 + 42n = 111

Solving for variable 'n'.

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

Add '15' to each side of the equation.
-15 + 15 + 42n = 111 + 15

Combine like terms: -15 + 15 = 0
0 + 42n = 111 + 15
42n = 111 + 15

Combine like terms: 111 + 15 = 126
42n = 126

Divide each side by '42'.
n = 3

Simplifying
n = 3

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