-5(n-1)=7(n+3)

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Solution for -5(n-1)=7(n+3) equation:


Simplifying
-5(n + -1) = 7(n + 3)

Reorder the terms:
-5(-1 + n) = 7(n + 3)
(-1 * -5 + n * -5) = 7(n + 3)
(5 + -5n) = 7(n + 3)

Reorder the terms:
5 + -5n = 7(3 + n)
5 + -5n = (3 * 7 + n * 7)
5 + -5n = (21 + 7n)

Solving
5 + -5n = 21 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
5 + -5n + -7n = 21 + 7n + -7n

Combine like terms: -5n + -7n = -12n
5 + -12n = 21 + 7n + -7n

Combine like terms: 7n + -7n = 0
5 + -12n = 21 + 0
5 + -12n = 21

Add '-5' to each side of the equation.
5 + -5 + -12n = 21 + -5

Combine like terms: 5 + -5 = 0
0 + -12n = 21 + -5
-12n = 21 + -5

Combine like terms: 21 + -5 = 16
-12n = 16

Divide each side by '-12'.
n = -1.333333333

Simplifying
n = -1.333333333

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