3+5(1+8r)=-272

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Solution for 3+5(1+8r)=-272 equation:


3+5(1+8r)=-272

We simplify the equation to the form, which is simple to understand 
3+5(1+8r)=-272

Reorder the terms in parentheses
3+(+5+40r)=-272

Remove unnecessary parentheses
+3+5+40r=-272

We move all terms containing r to the left and all other terms to the right. 
+40r=-272-3-5

We simplify left and right side of the equation. 
+40r=-280

We divide both sides of the equation by 40 to get r. 
r=-7

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