223=-2+5(3-7r)

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Solution for 223=-2+5(3-7r) equation:


223=-2+5(3-7r)

We simplify the equation to the form, which is simple to understand 
223=-2+5(3-7r)

Reorder the terms in parentheses
223=-2+(+15-35r)

Remove unnecessary parentheses
+223=-2+15-35r

We move all terms containing r to the left and all other terms to the right. 
+35r=-2+15-223

We simplify left and right side of the equation. 
+35r=-210

We divide both sides of the equation by 035 to get r. 
r=-6

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