monyod
monyod monyod
  • 25-11-2014
  • Mathematics
contestada

how do i solve step by step s+2 1/2s+20=48 ?

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luana
luana luana
  • 25-11-2014
[tex]s+2\frac{1}{2}s+20=48\\\\ 3,5s+20=48\ \ \ \ | subtract\ 20\\\\ 3,5s=28\ \ \ \ | divide\ by\ 3,5\\\\ s=8\\\\ Solution\ is\ s=8.[/tex]
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Аноним Аноним
  • 25-11-2014
s+(2+1/2)s+20=48

2/2s+5/2s=48-20

7/2s=28

7s=28*2=2(20+8)=40+16

7s=56

s=56/7

s=8
Answer Link

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