4-9n+4n=21-97

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Solution for 4-9n+4n=21-97 equation:


Simplifying
4 + -9n + 4n = 21 + -97

Combine like terms: -9n + 4n = -5n
4 + -5n = 21 + -97

Combine like terms: 21 + -97 = -76
4 + -5n = -76

Solving
4 + -5n = -76

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + -5n = -76 + -4

Combine like terms: 4 + -4 = 0
0 + -5n = -76 + -4
-5n = -76 + -4

Combine like terms: -76 + -4 = -80
-5n = -80

Divide each side by '-5'.
n = 16

Simplifying
n = 16

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