1+3n+4n=-20

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Solution for 1+3n+4n=-20 equation: 


Simplifying
1 + 3n + 4n = -20

Combine like terms: 3n + 4n = 7n
1 + 7n = -20

Solving
1 + 7n = -20

Solving for variable 'n'.

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

Add '-1' to each side of the equation.
1 + -1 + 7n = -20 + -1

Combine like terms: 1 + -1 = 0
0 + 7n = -20 + -1
7n = -20 + -1

Combine like terms: -20 + -1 = -21
7n = -21

Divide each side by '7'.
n = -3

Simplifying
n = -3

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