2(n+5)+3n=20

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Solution for 2(n+5)+3n=20 equation:


Simplifying
2(n + 5) + 3n = 20

Reorder the terms:
2(5 + n) + 3n = 20
(5 * 2 + n * 2) + 3n = 20
(10 + 2n) + 3n = 20

Combine like terms: 2n + 3n = 5n
10 + 5n = 20

Solving
10 + 5n = 20

Solving for variable 'n'.

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

Add '-10' to each side of the equation.
10 + -10 + 5n = 20 + -10

Combine like terms: 10 + -10 = 0
0 + 5n = 20 + -10
5n = 20 + -10

Combine like terms: 20 + -10 = 10
5n = 10

Divide each side by '5'.
n = 2

Simplifying
n = 2

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