-7.2r+12.13=17.05-3.1r

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Solution for -7.2r+12.13=17.05-3.1r equation:


-7.2r+12.13=17.05-3.1r

We simplify the equation to the form, which is simple to understand 
-7.2r+12.13=17.05-3.1r

We move all terms containing r to the left and all other terms to the right. 
-7.2r+3.1r=+17.05-12.13

We simplify left and right side of the equation. 
-4.1r=+4.92

We divide both sides of the equation by -4.1 to get r. 
r=-1.2

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