-5n+3(6+7n)=20

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Solution for -5n+3(6+7n)=20 equation: 


Simplifying
-5n + 3(6 + 7n) = 20
-5n + (6 * 3 + 7n * 3) = 20
-5n + (18 + 21n) = 20

Reorder the terms:
18 + -5n + 21n = 20

Combine like terms: -5n + 21n = 16n
18 + 16n = 20

Solving
18 + 16n = 20

Solving for variable 'n'.

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

Add '-18' to each side of the equation.
18 + -18 + 16n = 20 + -18

Combine like terms: 18 + -18 = 0
0 + 16n = 20 + -18
16n = 20 + -18

Combine like terms: 20 + -18 = 2
16n = 2

Divide each side by '16'.
n = 0.125

Simplifying
n = 0.125

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