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becca18 Group Title

Can someone please explain to me how to solve 0.5z+10=z+4?

  • 3 years ago
  • 3 years ago

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  1. mitosuki Group Title
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    0.5z+10=z+4 remember the z on the right has a 1 in front of it, then you just subtract 0.5z from 1z to get 0.5z. 10 = 0.5z +4 Then subtract 4 from 10 which is 6. 10 = 0.5z + 4 -4 -4 6 = 0.5z Then divide 6 by 0.5 and therefore z = 12 6 = 0.5z /0.5 /0.5 z=12

    • 3 years ago
  2. rraupe Group Title
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    .05z+10=z+4...put all the z's on one side and all the constants on the other...so subtract a z to each side, and subtract 10 from each side...0.5z-z=-6...-0.5z=-6...divide both sides by -0.5 and z=12

    • 3 years ago
  3. becca18 Group Title
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    Thank Ya'll, I still don't understand how you get 0.5z when you subtracted 1z from it?

    • 3 years ago
  4. becca18 Group Title
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    I'm having trouble with the decimal stuff..

    • 3 years ago
  5. rraupe Group Title
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    its negative one half -0.5.....if its easier think of it in fractions

    • 3 years ago
  6. mitosuki Group Title
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    Half of 1 is 0.5.

    • 3 years ago
  7. becca18 Group Title
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    thank ya'll!

    • 3 years ago
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