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25-18r=-20+3r+5/4
We simplify the equation to the form, which is simple to understand
25-18r=-20+3r+5/4
Simplifying:
25-18r=-20+3r+1.25
We move all terms containing r to the left and all other terms to the right.
-18r-3r=-20+1.25-25
We simplify left and right side of the equation.
-21r=-43.75
We divide both sides of the equation by -21 to get r.
r=2.08333333333
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