7-9n+4n=17-90

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Solution for 7-9n+4n=17-90 equation:


Simplifying
7 + -9n + 4n = 17 + -90

Combine like terms: -9n + 4n = -5n
7 + -5n = 17 + -90

Combine like terms: 17 + -90 = -73
7 + -5n = -73

Solving
7 + -5n = -73

Solving for variable 'n'.

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

Add '-7' to each side of the equation.
7 + -7 + -5n = -73 + -7

Combine like terms: 7 + -7 = 0
0 + -5n = -73 + -7
-5n = -73 + -7

Combine like terms: -73 + -7 = -80
-5n = -80

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

Simplifying
n = 16

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