-25=5(-7+5n)-5(4n+5)

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Solution for -25=5(-7+5n)-5(4n+5) equation:


Simplifying
-25 = 5(-7 + 5n) + -5(4n + 5)
-25 = (-7 * 5 + 5n * 5) + -5(4n + 5)
-25 = (-35 + 25n) + -5(4n + 5)

Reorder the terms:
-25 = -35 + 25n + -5(5 + 4n)
-25 = -35 + 25n + (5 * -5 + 4n * -5)
-25 = -35 + 25n + (-25 + -20n)

Reorder the terms:
-25 = -35 + -25 + 25n + -20n

Combine like terms: -35 + -25 = -60
-25 = -60 + 25n + -20n

Combine like terms: 25n + -20n = 5n
-25 = -60 + 5n

Solving
-25 = -60 + 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.
-25 + -5n = -60 + 5n + -5n

Combine like terms: 5n + -5n = 0
-25 + -5n = -60 + 0
-25 + -5n = -60

Add '25' to each side of the equation.
-25 + 25 + -5n = -60 + 25

Combine like terms: -25 + 25 = 0
0 + -5n = -60 + 25
-5n = -60 + 25

Combine like terms: -60 + 25 = -35
-5n = -35

Divide each side by '-5'.
n = 7

Simplifying
n = 7

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