1-7r+1=-19

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Solution for 1-7r+1=-19 equation:


1-7r+1=-19

We simplify the equation to the form, which is simple to understand 
1-7r+1=-19

We move all terms containing r to the left and all other terms to the right. 
-7r=-19-1-1

We simplify left and right side of the equation. 
-7r=-21

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

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