9-7n+3n=24-99

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Solution for 9-7n+3n=24-99 equation:


Simplifying
9 + -7n + 3n = 24 + -99

Combine like terms: -7n + 3n = -4n
9 + -4n = 24 + -99

Combine like terms: 24 + -99 = -75
9 + -4n = -75

Solving
9 + -4n = -75

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + -4n = -75 + -9

Combine like terms: 9 + -9 = 0
0 + -4n = -75 + -9
-4n = -75 + -9

Combine like terms: -75 + -9 = -84
-4n = -84

Divide each side by '-4'.
n = 21

Simplifying
n = 21

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