(5n-1)-(4n+7)=

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Solution for (5n-1)-(4n+7)= equation:


Simplifying
(5n + -1) + -1(4n + 7) = 0

Reorder the terms:
(-1 + 5n) + -1(4n + 7) = 0

Remove parenthesis around (-1 + 5n)
-1 + 5n + -1(4n + 7) = 0

Reorder the terms:
-1 + 5n + -1(7 + 4n) = 0
-1 + 5n + (7 * -1 + 4n * -1) = 0
-1 + 5n + (-7 + -4n) = 0

Reorder the terms:
-1 + -7 + 5n + -4n = 0

Combine like terms: -1 + -7 = -8
-8 + 5n + -4n = 0

Combine like terms: 5n + -4n = 1n
-8 + 1n = 0

Solving
-8 + 1n = 0

Solving for variable 'n'.

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

Add '8' to each side of the equation.
-8 + 8 + 1n = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 1n = 0 + 8
1n = 0 + 8

Combine like terms: 0 + 8 = 8
1n = 8

Divide each side by '1'.
n = 8

Simplifying
n = 8

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