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anonymous

  • one year ago

Solve for x: -ax + 2b > 8

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  1. Astrophysics
    • one year ago
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    When you're working with inequalities it's the same as you are doing with a regular equation just with a few added rules, suck as if you multiply or divide by a negative your inequality sign flips.

  2. Astrophysics
    • one year ago
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    So to get x on it's own, use regular algebra, basically use the opposite operation of what already exists and what you do to one side you must also do to the other!

  3. Astrophysics
    • one year ago
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    |dw:1437389939252:dw| so like this, now finish it off with what I told you above.

  4. anonymous
    • one year ago
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    So i add the a?

  5. UsukiDoll
    • one year ago
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    no we want x to be by itself.

  6. UsukiDoll
    • one year ago
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    if we're solving for x... that variable has to be alone by itself.

  7. Astrophysics
    • one year ago
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    Notice how the -a is "attached" to the x, so it's being multiplied, as I told you above, do the opposite operation of what already exists to both sides.

  8. UsukiDoll
    • one year ago
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    what's the opposite of multiplication?

  9. anonymous
    • one year ago
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    Divide So it would be x < -2b+8/-a

  10. UsukiDoll
    • one year ago
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    yes because we have to divide everything by -a . On top of that we have a negative sign so we have to switch the inequality symbol from > to <

  11. UsukiDoll
    • one year ago
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    |dw:1437390204318:dw|

  12. Astrophysics
    • one year ago
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    |dw:1437390242817:dw|

  13. Astrophysics
    • one year ago
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    |dw:1437390267231:dw|

  14. UsukiDoll
    • one year ago
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    my 1000th medal... is in this post awww =3

  15. Astrophysics
    • one year ago
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    Haha, congrats! :)

  16. UsukiDoll
    • one year ago
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    thank you :D

  17. anonymous
    • one year ago
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    Congrats

  18. UsukiDoll
    • one year ago
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    thank you :D

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