23=2(3r+1)+7(-5-2r)

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Solution for 23=2(3r+1)+7(-5-2r) equation:


23=2(3r+1)+7(-5-2r)

We simplify the equation to the form, which is simple to understand 
23=2(3r+1)+7(-5-2r)

Reorder the terms in parentheses
23=+(+6r+2)+7*(-5-2r)

Remove unnecessary parentheses
+23=+6r+2+7+*(-5-2r+)

Reorder the terms in parentheses
23=+6r+2+(-35-14r)

Remove unnecessary parentheses
+23=+6r+2-35-14r

We move all terms containing r to the left and all other terms to the right. 
-6r+14r=+2-35-23

We simplify left and right side of the equation. 
+8r=-56

We divide both sides of the equation by 8 to get r. 
r=-7

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