5(3n+7)=20

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


Simplifying
5(3n + 7) = 20

Reorder the terms:
5(7 + 3n) = 20
(7 * 5 + 3n * 5) = 20
(35 + 15n) = 20

Solving
35 + 15n = 20

Solving for variable 'n'.

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

Add '-35' to each side of the equation.
35 + -35 + 15n = 20 + -35

Combine like terms: 35 + -35 = 0
0 + 15n = 20 + -35
15n = 20 + -35

Combine like terms: 20 + -35 = -15
15n = -15

Divide each side by '15'.
n = -1

Simplifying
n = -1

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