4(n-5)=9n

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


Simplifying
4(n + -5) = 9n

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

Solving
-20 + 4n = 9n

Solving for variable 'n'.

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

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

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

Combine like terms: 9n + -9n = 0
-20 + -5n = 0

Add '20' to each side of the equation.
-20 + 20 + -5n = 0 + 20

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

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

Divide each side by '-5'.
n = -4

Simplifying
n = -4

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