7n+12=4-5(n-4)

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Solution for 7n+12=4-5(n-4) equation:


Simplifying
7n + 12 = 4 + -5(n + -4)

Reorder the terms:
12 + 7n = 4 + -5(n + -4)

Reorder the terms:
12 + 7n = 4 + -5(-4 + n)
12 + 7n = 4 + (-4 * -5 + n * -5)
12 + 7n = 4 + (20 + -5n)

Combine like terms: 4 + 20 = 24
12 + 7n = 24 + -5n

Solving
12 + 7n = 24 + -5n

Solving for variable 'n'.

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

Add '5n' to each side of the equation.
12 + 7n + 5n = 24 + -5n + 5n

Combine like terms: 7n + 5n = 12n
12 + 12n = 24 + -5n + 5n

Combine like terms: -5n + 5n = 0
12 + 12n = 24 + 0
12 + 12n = 24

Add '-12' to each side of the equation.
12 + -12 + 12n = 24 + -12

Combine like terms: 12 + -12 = 0
0 + 12n = 24 + -12
12n = 24 + -12

Combine like terms: 24 + -12 = 12
12n = 12

Divide each side by '12'.
n = 1

Simplifying
n = 1

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