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hang254

  • 3 years ago

0.2x + .6 - 8x - 12 = 0.9

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  1. hang254
    • 3 years ago
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    can you explain how u did it please?

  2. hang254
    • 3 years ago
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    @hoblos

  3. kiamonstaa
    • 3 years ago
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    combine like terms

  4. hang254
    • 3 years ago
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    so combine 0.2x- 8x

  5. kiamonstaa
    • 3 years ago
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    so its -7.8x-11.4=0.9

  6. kiamonstaa
    • 3 years ago
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    yes, then you would add 11.4 to both sides

  7. kiamonstaa
    • 3 years ago
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    which is 12.3 then divide 2.3 by -7.8

  8. kiamonstaa
    • 3 years ago
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    which is how i got -1.5769 but you can round it to -1.58

  9. hang254
    • 3 years ago
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    oh, thank you so much! this will help me in my class :)

  10. kiamonstaa
    • 3 years ago
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    welcome! :))

  11. hang254
    • 3 years ago
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    one more thing. if it was 0.2x + .6 - 8x + 12= 0.9 would the answer be positive 1.5?

  12. kiamonstaa
    • 3 years ago
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    no, it would be -1.6

  13. kmarie1123
    • 3 years ago
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    I got x=1.5 even

  14. kiamonstaa
    • 3 years ago
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    hmm.....i check my work

  15. kiamonstaa
    • 3 years ago
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    oh i see. my mistake.

  16. kmarie1123
    • 3 years ago
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    ok, i was just looking at it and i was like hmm let me try that.

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