77+n=21

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Solution for 77+n=21 equation: 


Simplifying
77 + n = 21

Solving
77 + n = 21

Solving for variable 'n'.

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

Add '-77' to each side of the equation.
77 + -77 + n = 21 + -77

Combine like terms: 77 + -77 = 0
0 + n = 21 + -77
n = 21 + -77

Combine like terms: 21 + -77 = -56
n = -56

Simplifying
n = -56

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