7-3r=r-4(r+2)

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Solution for 7-3r=r-4(r+2) equation:


7-3r=r-4(r+2)

We simplify the equation to the form, which is simple to understand 
7-3r=r-4(r+2)

Reorder the terms in parentheses
7-3r=r+(-4r-8)

Remove unnecessary parentheses
+7-3r=+r-4r-8

We move all terms containing r to the left and all other terms to the right. 
-3r-1r+4r=-8-7

We simplify left and right side of the equation. 
r=-15

0=-15

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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