Question:

18 (3t+2) = -9 (5t+9)?

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Help me with this other problem please!

6/5 + 2/5x = 59/20 + 7/4x + 3/4

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11 ANSWERS


  1. o.O


  2. the bottom one is x=1/10

    the top one i think is -113/99

  3. its supposed to be

    42t+36= -45t-81

    42t+45t= -81-36

    87t= -117

    t= -(117/87) this reduces to

    t = -39/29


  4. I dont think chris is right because the common denominator is 20. Thats all I know i dont feel like getting paper to figure it out

    T=2.2 that might actually be wrong I havent been in school for a while...

  5. 1)

    18(3t + 2) = -9(5t + 9)

    18*3t + 18*2 = -9*5t - 9*9

    54t + 36 = -45t - 81

    54t + 45t = -36 - 81

    99t = -117

    t = -117/99

    t = -13/11

    2)

    6/5 + 2/5(x) = 59/20 + 7/4(x) + 3/4

    20(6/5 + 2x/5) = 20(59/20 + 7x/4 + 3/4)

    24 + 8x = 59 + 35x + 15

    -35x + 8x = 59 - 24 + 15

    -27x = 50

    x = 50/-27

    x = -50/27

  6. 18 (3t + 2) = -9 (5t + 9)

    Distribute

    54t + 36 = -45t - 81

    54t + 45t = -36 - 81

    99t = -117

    t = -117/99

    t = -13/11

    6/5 + (2/5)x = 59/20 + (7/4)x + 3/4

    (2/5)x - (7/4)x = -6/5 + 59/20 + 3/4

    (-27/20)x = 5/2

    x = (5/2) / (-27/20)

    x = -50/27

  7. t = -5

    27/20x = -50/20

    x = -50/27

  8. Do your own homework

  9. http://www.algebra-help.com/xl-solve-x.h...

  10. srry i used this website guess thats not correct

  11. 18 (3t+2) = -9 (5t+9)

    2(3t+2)=-(5t+9)

    6t+4=-5t-9

    11t=-13

    t=-13/11

    6/5 + 2/5x = 59/20 + 7/4x + 3/4

    24/20+8/20x=59/20+35/20x+15/20

    24+8/x=59+35/x+15

    24-59-15=(35-8)x

    -50=27x

    x=-50/27
You're reading: 18 (3t+2) = -9 (5t+9)?

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