r+.2=.9

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Solution for r+.2=.9 equation:


r+.2=.9

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

We move all terms containing r to the left and all other terms to the right.
+1r=0.9-0.2

We simplify left and right side of the equation.
+1r=0.7

We divide both sides of the equation by 1 to get r.
r=0.7

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