-40=9n-4n

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Solution for -40=9n-4n equation:


Simplifying
-40 = 9n + -4n

Combine like terms: 9n + -4n = 5n
-40 = 5n

Solving
-40 = 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
-40 + -5n = 5n + -5n

Combine like terms: 5n + -5n = 0
-40 + -5n = 0

Add '40' to each side of the equation.
-40 + 40 + -5n = 0 + 40

Combine like terms: -40 + 40 = 0
0 + -5n = 0 + 40
-5n = 0 + 40

Combine like terms: 0 + 40 = 40
-5n = 40

Divide each side by '-5'.
n = -8

Simplifying
n = -8

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