what does 5x-1=2x+5 equal? i tried working it out and i keep getting a decimal.
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jimthompson5910 (jim_thompson5910):
What did you get for the answer?
OpenStudy (anonymous):
1.3
jimthompson5910 (jim_thompson5910):
5x-1=2x+5
5x=2x+5+1
5x-2x=5+1
Did you get this as part of your work?
OpenStudy (anonymous):
the first one, 5x-1=2x+5
and everytime i work it out i get a decimal and it keeps on saying its wrong.
jimthompson5910 (jim_thompson5910):
No I meant the steps I listed out above, did you follow those same steps?
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OpenStudy (anonymous):
no i did it differently
jimthompson5910 (jim_thompson5910):
can I see how you did it?
OpenStudy (anonymous):
yeah i did it two ways, just to see if i got different answers and i did and they both were a decimal and its not supposed to be a decimal. heres one.
5x-1=2x+5
3x-1=5
then i subtracted the 1 from both sides (1 and 5)
and i got 4 and then i divided 4 and 3 and got 1.3
jimthompson5910 (jim_thompson5910):
ah i see where you went wrong
jimthompson5910 (jim_thompson5910):
you need to add one to both sides to get
3x-1=5
3x-1+1=5+1
3x = 6
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