ru=-(1)+20

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Solution for ru=-(1)+20 equation: 


Simplifying
ru = -1(1) + 20

Multiply -1 * 1
ru = -1 + 20

Combine like terms: -1 + 20 = 19
ru = 19

Solving
ru = 19

Solving for variable 'r'.

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

Divide each side by 'u'.
r = 19u-1

Simplifying
r = 19u-1

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