9(n-8)=4(n+5)

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Solution for 9(n-8)=4(n+5) equation:


Simplifying
9(n + -8) = 4(n + 5)

Reorder the terms:
9(-8 + n) = 4(n + 5)
(-8 * 9 + n * 9) = 4(n + 5)
(-72 + 9n) = 4(n + 5)

Reorder the terms:
-72 + 9n = 4(5 + n)
-72 + 9n = (5 * 4 + n * 4)
-72 + 9n = (20 + 4n)

Solving
-72 + 9n = 20 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
-72 + 9n + -4n = 20 + 4n + -4n

Combine like terms: 9n + -4n = 5n
-72 + 5n = 20 + 4n + -4n

Combine like terms: 4n + -4n = 0
-72 + 5n = 20 + 0
-72 + 5n = 20

Add '72' to each side of the equation.
-72 + 72 + 5n = 20 + 72

Combine like terms: -72 + 72 = 0
0 + 5n = 20 + 72
5n = 20 + 72

Combine like terms: 20 + 72 = 92
5n = 92

Divide each side by '5'.
n = 18.4

Simplifying
n = 18.4

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