SOLUTION: What is the variable for 6(7-6d)+20=-26

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Question 358289: What is the variable for 6(7-6d)+20=-26
Answer by mananth(16946) About Me  (Show Source):
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6(7-6d)+20=-26
42-36d+20=-26
62-36d=-26
add-62
-62+62-36d=-26-62
-36d=-88
/-36
d=-88/-36
d=22/9
..
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