SOLUTION: Please help me with this 5=-1/3y + 2/7
I tried subtracting by 2/7 and multiplied by 3
Thanks!
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Question 162817This question is from textbook algebra tools for a changing world
: Please help me with this 5=-1/3y + 2/7
I tried subtracting by 2/7 and multiplied by 3
Thanks!
This question is from textbook algebra tools for a changing world
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
5=-1/3y + 2/7
.
To attack this problem you're better off by:
1. find a common denominator (say, 21)
2. multiply BOTH sides by the common denominator
.
(21)5 = (21)(-1/3y + 2/7)
(21)5 = (21)(-1/3y + 2/7)
105 = -7/y + 6
99 = -7/y
99y = -7
y = -7/99
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