-7=3r+4r

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Solution for -7=3r+4r equation:


-7=3r+4r

We simplify the equation to the form, which is simple to understand 
-7=3r+4r

We move all terms containing r to the left and all other terms to the right. 
-3r-4r=+7

We simplify left and right side of the equation. 
-7r=+7

We divide both sides of the equation by -7 to get r. 
r=-1

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