SOLUTION: I am having trouble figuring out how to do these types of problems, I get to a certain point and then I get completely lost. How would I go about solving this : 5x -7 = 8/7x - 5 +7
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Question 385139: I am having trouble figuring out how to do these types of problems, I get to a certain point and then I get completely lost. How would I go about solving this : 5x -7 = 8/7x - 5 +7
Found 2 solutions by stanbon, rfer:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
5x -7 = 8/7x - 5 +7
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5x - 7 = (8/7)x +2
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(35/7)x -(8/7)x = 9
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(27/7)x = 9
27x = 63
x = 63/27
x = 7/3
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Cheers,
Stan H.
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
subtract 8/7x
5x-8/7x-7=-5+7
add 7
35/7x-8/7x=9
27/7x=9
divide by 27/7
x=9/(27/7)
invert and multiply
x=9*7/27
x=63/27
x=2 1/3
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