7r-1+9r=

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Solution for 7r-1+9r= equation:


7r-1+9r=0

We simplify the equation to the form, which is simple to understand 
7r-1+9r=0

We move all terms containing r to the left and all other terms to the right. 
+7r+9r=0+1

We simplify left and right side of the equation. 
+16r=+1

We divide both sides of the equation by 16 to get r. 
r=0.0625

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