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michaelhale

  • 2 years ago

the answer to this is supposed to be 2 but I cant get there -2(x-4)-(8x-3)=2-(6x-1)can anyone help me with this

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  1. tkhunny
    • 2 years ago
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    -2(x-4)-(8x-3)=2-(6x-1) What did you do first?

  2. michaelhale
    • 2 years ago
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    distribute the -2(x-4)

  3. Jamierox4ev3r
    • 2 years ago
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    I will do my best -2(x-4)-(8x-3)=2-(-6x-1). I think this is the problem if i understood correctly right? @michaelhale

  4. michaelhale
    • 2 years ago
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    yes that is the problem

  5. tkhunny
    • 2 years ago
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    Don't just tell me - SHOW me!

  6. michaelhale
    • 2 years ago
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    -2(x-4),-2x+8

  7. Jamierox4ev3r
    • 2 years ago
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    -2x+8-8x+3=2+6x+1

  8. Jamierox4ev3r
    • 2 years ago
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    combine the like terms then solve like a regular equation

  9. michaelhale
    • 2 years ago
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    how did you get +3

  10. Jamierox4ev3r
    • 2 years ago
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    a negative (-) times -3 = a positive number, hence +3

  11. Jamierox4ev3r
    • 2 years ago
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    that is how i distributed it

  12. tkhunny
    • 2 years ago
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    Don't be afraid to rewrite things a bit. It will help you win the battle. -2(x-4)-(8x-3)=2-(6x-1) First parentheses -2x + 8 - (8x-3) = 2 - (6x-1) Next parentheses -2x + 8 - 8x + 3 = 2 - (6x-1) Last parentheses -2x + 8 - 8x + 3 = 2 - 6x + 1 See how easy that is to follow, now that we have written the entire expression every step of the way? Okay, now what?

  13. michaelhale
    • 2 years ago
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    so when I see -(8x_3) I distribute the - sign as a coefficient of -1

  14. tkhunny
    • 2 years ago
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    That is a reasonable understanding. It is the same on the last parentheses.

  15. michaelhale
    • 2 years ago
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    thank you both I have been beating myself up over this one for a while I got the answer I needed

  16. tkhunny
    • 2 years ago
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    Woo-hoo! Good work!

  17. Jamierox4ev3r
    • 2 years ago
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    nice process @tkhunny awesome job! ^.^

  18. michaelhale
    • 2 years ago
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    i cant give a best response because you both did awsome

  19. tkhunny
    • 2 years ago
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    No worries. You learning is what is important!

  20. chandanjha
    • 2 years ago
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    -2x+4-8x+3=2-6x+1 =>-10x+5=-6x+3 =>-4x=-2 =>x=2

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