5r-28=-(7-2r)

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Solution for 5r-28=-(7-2r) equation:


5r-28=-(7-2r)

We simplify the equation to the form, which is simple to understand 
5r-28=-(7-2r)

Remove unnecessary parentheses
5r-28=-7+2r

We move all terms containing r to the left and all other terms to the right. 
+5r-2r=-7+28

We simplify left and right side of the equation. 
+3r=+21

We divide both sides of the equation by 3 to get r. 
r=7

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