30+5n-20+4n=

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Solution for 30+5n-20+4n= equation:


Simplifying
30 + 5n + -20 + 4n = 0

Reorder the terms:
30 + -20 + 5n + 4n = 0

Combine like terms: 30 + -20 = 10
10 + 5n + 4n = 0

Combine like terms: 5n + 4n = 9n
10 + 9n = 0

Solving
10 + 9n = 0

Solving for variable 'n'.

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

Add '-10' to each side of the equation.
10 + -10 + 9n = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 9n = 0 + -10
9n = 0 + -10

Combine like terms: 0 + -10 = -10
9n = -10

Divide each side by '9'.
n = -1.111111111

Simplifying
n = -1.111111111

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