3r-45=4r

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Solution for 3r-45=4r equation:


3r-45=4r

We simplify the equation to the form, which is simple to understand 
3r-45=4r

We move all terms containing r to the left and all other terms to the right. 
+3r-4r=+45

We simplify left and right side of the equation. 
-1r=+45

We divide both sides of the equation by -1 to get r. 
r=-45

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