0=80+(n-1)(-10.2)

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Solution for 0=80+(n-1)(-10.2) equation:


Simplifying
0 = 80 + (n + -1)(-10.2)

Reorder the terms:
0 = 80 + (-1 + n)(-10.2)

Reorder the terms for easier multiplication:
0 = 80 + -10.2(-1 + n)
0 = 80 + (-1 * -10.2 + n * -10.2)
0 = 80 + (10.2 + -10.2n)

Combine like terms: 80 + 10.2 = 90.2
0 = 90.2 + -10.2n

Solving
0 = 90.2 + -10.2n

Solving for variable 'n'.

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

Add '10.2n' to each side of the equation.
0 + 10.2n = 90.2 + -10.2n + 10.2n
Remove the zero:
10.2n = 90.2 + -10.2n + 10.2n

Combine like terms: -10.2n + 10.2n = 0.0
10.2n = 90.2 + 0.0
10.2n = 90.2

Divide each side by '10.2'.
n = 8.843137255

Simplifying
n = 8.843137255

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