.2+2.3r-.9=.91

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Solution for .2+2.3r-.9=.91 equation:


.2+2.3r-.9=.91

We simplify the equation to the form, which is simple to understand 
.2+2.3r-.9=.91

We move all terms containing r to the left and all other terms to the right. 
+2.3r=0.91-0.2 + 0.9

We simplify left and right side of the equation. 
+2.3r=+1.61

We divide both sides of the equation by 2.3 to get r. 
r=0.7

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