1+n+2n=4

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Solution for 1+n+2n=4 equation: 


Simplifying
1 + n + 2n = 4

Combine like terms: n + 2n = 3n
1 + 3n = 4

Solving
1 + 3n = 4

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 + 3n = 4 + -1

Combine like terms: 1 + -1 = 0
0 + 3n = 4 + -1
3n = 4 + -1

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

Divide each side by '3'.
n = 1

Simplifying
n = 1

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