(30+5n)-(15+4n)=

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


Simplifying
(30 + 5n) + -1(15 + 4n) = 0

Remove parenthesis around (30 + 5n)
30 + 5n + -1(15 + 4n) = 0
30 + 5n + (15 * -1 + 4n * -1) = 0
30 + 5n + (-15 + -4n) = 0

Reorder the terms:
30 + -15 + 5n + -4n = 0

Combine like terms: 30 + -15 = 15
15 + 5n + -4n = 0

Combine like terms: 5n + -4n = 1n
15 + 1n = 0

Solving
15 + 1n = 0

Solving for variable 'n'.

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

Add '-15' to each side of the equation.
15 + -15 + 1n = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 1n = 0 + -15
1n = 0 + -15

Combine like terms: 0 + -15 = -15
1n = -15

Divide each side by '1'.
n = -15

Simplifying
n = -15

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