n+3(n+4)=20

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


Simplifying
n + 3(n + 4) = 20

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

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

Combine like terms: n + 3n = 4n
12 + 4n = 20

Solving
12 + 4n = 20

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -12 + 4n = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 4n = 20 + -12
4n = 20 + -12

Combine like terms: 20 + -12 = 8
4n = 8

Divide each side by '4'.
n = 2

Simplifying
n = 2

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