-20+4r=4+4(2+5r)

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Solution for -20+4r=4+4(2+5r) equation:


-20+4r=4+4(2+5r)

We simplify the equation to the form, which is simple to understand 
-20+4r=4+4(2+5r)

Reorder the terms in parentheses
-20+4r=4+(+8+20r)

Remove unnecessary parentheses
-20+4r=+4+8+20r

We move all terms containing r to the left and all other terms to the right. 
+4r-20r=+4+8+20

We simplify left and right side of the equation. 
-16r=+32

We divide both sides of the equation by -16 to get r. 
r=-2

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