-85=-7n-3(5-7n)

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Solution for -85=-7n-3(5-7n) equation:


Simplifying
-85 = -7n + -3(5 + -7n)
-85 = -7n + (5 * -3 + -7n * -3)
-85 = -7n + (-15 + 21n)

Reorder the terms:
-85 = -15 + -7n + 21n

Combine like terms: -7n + 21n = 14n
-85 = -15 + 14n

Solving
-85 = -15 + 14n

Solving for variable 'n'.

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

Add '-14n' to each side of the equation.
-85 + -14n = -15 + 14n + -14n

Combine like terms: 14n + -14n = 0
-85 + -14n = -15 + 0
-85 + -14n = -15

Add '85' to each side of the equation.
-85 + 85 + -14n = -15 + 85

Combine like terms: -85 + 85 = 0
0 + -14n = -15 + 85
-14n = -15 + 85

Combine like terms: -15 + 85 = 70
-14n = 70

Divide each side by '-14'.
n = -5

Simplifying
n = -5

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