-2n+7n-r+10r=

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Solution for -2n+7n-r+10r= equation:


Simplifying
-2n + 7n + -1r + 10r = 0

Combine like terms: -2n + 7n = 5n
5n + -1r + 10r = 0

Combine like terms: -1r + 10r = 9r
5n + 9r = 0

Solving
5n + 9r = 0

Solving for variable 'n'.

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

Add '-9r' to each side of the equation.
5n + 9r + -9r = 0 + -9r

Combine like terms: 9r + -9r = 0
5n + 0 = 0 + -9r
5n = 0 + -9r
Remove the zero:
5n = -9r

Divide each side by '5'.
n = -1.8r

Simplifying
n = -1.8r

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