100+(r)(5)=(2r)(5)

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Solution for 100+(r)(5)=(2r)(5) equation:


100+(r)(5)=(2r)(5)

We simplify the equation to the form, which is simple to understand 
100+(r)*(5)=(2r)*(5)

Reorder the terms in parentheses
multiplication of parentheses
100+(+5r)=(2r)*(5)



Remove unnecessary parentheses
+100+5r=+(+2r+)+*(+5+)

Reorder the terms in parentheses
multiplication of parentheses
100+5r=(+10r)



Remove unnecessary parentheses
100+5r=+10r

We move all terms containing r to the left and all other terms to the right. 
+5r-10r=-100

We simplify left and right side of the equation. 
-5r=-100

We divide both sides of the equation by -5 to get r. 
r=20

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