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5r-1/5=4/5
We simplify the equation to the form, which is simple to understand
5r-1/5=4/5
Simplifying:
5r-0.2=4/5
Simplifying:
5r-0.2=0.8
We move all terms containing r to the left and all other terms to the right.
+5r=0.8 + 0.2
We simplify left and right side of the equation.
+5r=+1
We divide both sides of the equation by 5 to get r.
r=0.2
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