-13-7r=-2r-4(1-r)

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Solution for -13-7r=-2r-4(1-r) equation:


-13-7r=-2r-4(1-r)

We simplify the equation to the form, which is simple to understand 
-13-7r=-2r-4(1-r)

Reorder the terms in parentheses
-13-7r=-2r+(-4+4r)

Remove unnecessary parentheses
-13-7r=-2r-4+4r

We move all terms containing r to the left and all other terms to the right. 
-7r+2r-4r=-4+13

We simplify left and right side of the equation. 
-9r=+9

We divide both sides of the equation by -9 to get r. 
r=-1

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