3(n+4)+5=20

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Solution for 3(n+4)+5=20 equation: 


Simplifying
3(n + 4) + 5 = 20

Reorder the terms:
3(4 + n) + 5 = 20
(4 * 3 + n * 3) + 5 = 20
(12 + 3n) + 5 = 20

Reorder the terms:
12 + 5 + 3n = 20

Combine like terms: 12 + 5 = 17
17 + 3n = 20

Solving
17 + 3n = 20

Solving for variable 'n'.

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

Add '-17' to each side of the equation.
17 + -17 + 3n = 20 + -17

Combine like terms: 17 + -17 = 0
0 + 3n = 20 + -17
3n = 20 + -17

Combine like terms: 20 + -17 = 3
3n = 3

Divide each side by '3'.
n = 1

Simplifying
n = 1

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