algebra 1

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who is correct and why?
chloe jonas
3<2x-5<7 3<2x-5<7
3<2x<12 8<2x<7
3/2<x<6 4<x<7/2

2) solve each inequality for x. assume a is constant and a>0

a. -3<ax+1< or equal to 5
b. -1/ax+6<1 or 2-ax>8

3) create an example of a compound inequality containing or that has infinitely many solutions.

  • algebra 1 -

    chole 3<2x-5<7
    3<2x<12
    3/2<x<6

    jonas
    3<2x-5<7
    8<2x<7
    4<x<7/2

  • algebra 1 -

    3<2x-5<7.
    3+5<2x<7+5
    8<2x<12
    4<X<6.

    Note: Add 5 to BOTH sides of the compound inequality.

    2a. -3<ax+1<=5.
    -3-1<ax<=5-1
    -4<ax<=4
    -4/a<X<=4/a.

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