39=-4(1-3n)-5(7+5n)

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Solution for 39=-4(1-3n)-5(7+5n) equation:


Simplifying
39 = -4(1 + -3n) + -5(7 + 5n)
39 = (1 * -4 + -3n * -4) + -5(7 + 5n)
39 = (-4 + 12n) + -5(7 + 5n)
39 = -4 + 12n + (7 * -5 + 5n * -5)
39 = -4 + 12n + (-35 + -25n)

Reorder the terms:
39 = -4 + -35 + 12n + -25n

Combine like terms: -4 + -35 = -39
39 = -39 + 12n + -25n

Combine like terms: 12n + -25n = -13n
39 = -39 + -13n

Solving
39 = -39 + -13n

Solving for variable 'n'.

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

Add '13n' to each side of the equation.
39 + 13n = -39 + -13n + 13n

Combine like terms: -13n + 13n = 0
39 + 13n = -39 + 0
39 + 13n = -39

Add '-39' to each side of the equation.
39 + -39 + 13n = -39 + -39

Combine like terms: 39 + -39 = 0
0 + 13n = -39 + -39
13n = -39 + -39

Combine like terms: -39 + -39 = -78
13n = -78

Divide each side by '13'.
n = -6

Simplifying
n = -6

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