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r+(-1/2)=-3/4
We simplify the equation to the form, which is simple to understand
r+(-1/2)=-3/4
Simplifying:
r+(-0.5)=-3/4
Simplifying:
r+(-0.5)=-0.75
Remove unnecessary parentheses
+r-0.5=-0.75
We move all terms containing r to the left and all other terms to the right.
+1r=-0.75 + 0.5
We simplify left and right side of the equation.
+1r=-0.25
We divide both sides of the equation by 1 to get r.
r=-0.25
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