42r-18=

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Solution for 42r-18= equation:


42r-18=0

We simplify the equation to the form, which is simple to understand 
42r-18=0

We move all terms containing r to the left and all other terms to the right. 
+42r=0+18

We simplify left and right side of the equation. 
+42r=+18

We divide both sides of the equation by 42 to get r. 
r=0.428571428571

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