9r-1(-5r)=

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Solution for 9r-1(-5r)= equation: 


Simplifying
9r + -1(-5r) = 0

Remove parenthesis around (-5r)
9r + -1 * -5r = 0

Multiply -1 * -5
9r + 5r = 0

Combine like terms: 9r + 5r = 14r
14r = 0

Solving
14r = 0

Solving for variable 'r'.

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

Divide each side by '14'.
r = 0

Simplifying
r = 0

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