anonymous
  • anonymous
Clear fractions or decimals, solve, and check . please show work for checking. 1/2 + 4m =3m – 5/2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
m=-3
anonymous
  • anonymous
I got the answer to the problem but i need help when checking!
anonymous
  • anonymous
1/2+4(-3)=(-3)-5/2 1/2-12=-9-5/2

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anonymous
  • anonymous
replace m by -3 and get \[\frac{1}{2}+4\times -3=3\times -3+\frac{5}{2}\]
anonymous
  • anonymous
to check your answer just plug in -3 for m and see if lhs = rhs
anonymous
  • anonymous
\[\frac{1}{2}-12=-9-\frac{5}{2}\] \[-11\tfrac{1}{2}=-9-2\tfrac{1}{2}\] \[-11\tfrac{1}{2}=-11\tfrac{1}{2}\]
anonymous
  • anonymous
shouldn't it equal 0=0
anonymous
  • anonymous
no
anonymous
  • anonymous
left hand side should equal right hand side , thats all
anonymous
  • anonymous
If you start adding 5/2 to both sides, you are following the same logic you used when you worked the problem. This makes it less likely to catch any mistakes with your checking. You need to figure out what 1/2 - 12 is, and also what 9 - 5/2 is. Work it all the way until you have either something like 1 = 1
anonymous
  • anonymous
sorry - i dont follow that
anonymous
  • anonymous
okay thanks immyrep!
anonymous
  • anonymous
thats ok

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