3-n+2n=77

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Solution for 3-n+2n=77 equation: 


Simplifying
3 + -1n + 2n = 77

Combine like terms: -1n + 2n = 1n
3 + 1n = 77

Solving
3 + 1n = 77

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 1n = 77 + -3

Combine like terms: 3 + -3 = 0
0 + 1n = 77 + -3
1n = 77 + -3

Combine like terms: 77 + -3 = 74
1n = 74

Divide each side by '1'.
n = 74

Simplifying
n = 74

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