19+3r=4r+7(r-3)

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Solution for 19+3r=4r+7(r-3) equation:


19+3r=4r+7(r-3)

We simplify the equation to the form, which is simple to understand 
19+3r=4r+7(r-3)

Reorder the terms in parentheses
19+3r=4r+(+7r-21)

Remove unnecessary parentheses
+19+3r=+4r+7r-21

We move all terms containing r to the left and all other terms to the right. 
+3r-4r-7r=-21-19

We simplify left and right side of the equation. 
-8r=-40

We divide both sides of the equation by -8 to get r. 
r=5

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