-15+75=4n-30+5n

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Solution for -15+75=4n-30+5n equation:


Simplifying
-15 + 75 = 4n + -30 + 5n

Combine like terms: -15 + 75 = 60
60 = 4n + -30 + 5n

Reorder the terms:
60 = -30 + 4n + 5n

Combine like terms: 4n + 5n = 9n
60 = -30 + 9n

Solving
60 = -30 + 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.
60 + -9n = -30 + 9n + -9n

Combine like terms: 9n + -9n = 0
60 + -9n = -30 + 0
60 + -9n = -30

Add '-60' to each side of the equation.
60 + -60 + -9n = -30 + -60

Combine like terms: 60 + -60 = 0
0 + -9n = -30 + -60
-9n = -30 + -60

Combine like terms: -30 + -60 = -90
-9n = -90

Divide each side by '-9'.
n = 10

Simplifying
n = 10

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