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

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


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

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

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

Solving
-5 + 5n = 4 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
-5 + 5n + -4n = 4 + 4n + -4n

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

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

Add '5' to each side of the equation.
-5 + 5 + 1n = 4 + 5

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

Combine like terms: 4 + 5 = 9
1n = 9

Divide each side by '1'.
n = 9

Simplifying
n = 9

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