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karinathabest Group Title

for which equation is x=-1/2 a solution? a. 7-4x=-9 b. 9x+2=7 c. 6+8x=-10 d. 10x-3=-8

  • 3 years ago
  • 3 years ago

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  1. Mashy Group Title
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    just substitute in all the and find out!

    • 3 years ago
  2. karinathabest Group Title
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    i cant!

    • 3 years ago
  3. Abdullah_Al-Hagbani Group Title
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    -4x=-9+7 -4x=-2 4x=2 x=1/2

    • 3 years ago
  4. Mashy Group Title
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    why not?? what do you get when x= -1/2 for 7-4x?

    • 3 years ago
  5. karinathabest Group Title
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    im slow :(

    • 3 years ago
  6. Mashy Group Title
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    why don't you try answering what i asked in my previous post?

    • 3 years ago
  7. karinathabest Group Title
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    okay it's 7-4x=-9 right?

    • 3 years ago
  8. karinathabest Group Title
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    can you help me with this one "at her job, mary works 4 hours on monday, 3 hours on wednesday, and 6 hours on saturday. her boss adds a $10 bonus to her paycheck, which then totals $120.50 . what is mary's hourly pay? a. $8.50 b.$9.27 c. $5.24 d. $8.05" IM REALLLY STUCK ON THIS ONE!

    • 3 years ago
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