anonymous
  • anonymous
15x-10y=5 15y=-4+5x solve by substitution method with a solution set
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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NotTim
  • NotTim
ok, so rearrange one of the equations to solve for x or y
anonymous
  • anonymous
y=1/15(5x-4)
NotTim
  • NotTim
now, sub that into the other equation (for y)

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anonymous
  • anonymous
15x-10(1/15(5x-4)=5 this is where iam having problems :(
NotTim
  • NotTim
what, coud you draw that out or use the equation editor?
NotTim
  • NotTim
i meant to say wait...no difference?
anonymous
  • anonymous
\[15x-10(1/15(5x-4)=5\]
NotTim
  • NotTim
well, you know bedmas right? do it so in such steps
anonymous
  • anonymous
|dw:1333587182418:dw| the thing i get confused when using fractions
NotTim
  • NotTim
just round it off to3 decimal places I guess. If you want to keep exact values, then just make it sound that the denominators are the same (by multiplication)(whatever you do to the bottom you do to the top)
NotTim
  • NotTim
ok?
NotTim
  • NotTim
imma go now....if you need more help, bump your question!

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