2.83-0.4r=9.02-4.2r

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Solution for 2.83-0.4r=9.02-4.2r equation:


2.83-0.4r=9.02-4.2r

We simplify the equation to the form, which is simple to understand 
2.83-0.4r=9.02-4.2r

We move all terms containing r to the left and all other terms to the right. 
-0.4r+4.2r=+9.02-2.83

We simplify left and right side of the equation. 
+3.8r=+6.19

We divide both sides of the equation by 3.8 to get r. 
r=1.62894736842

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