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4r = 6.8
We simplify the equation to the form, which is simple to understand
4r=6.8
We move all terms containing r to the left and all other terms to the right.
+4r=+6.8
We simplify left and right side of the equation.
+4r=+6.8
We divide both sides of the equation by 4 to get r.
r=1.7
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