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March 27, 2017

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solve for X ?
1) 8-3x < 14
-3x/-3 < 6/-3
x=-2

2) 7x -3 > 4x +3
3x -3> 3
3x/3 >6/3
x>2


3) x-5<3 and 2x > -8
x<8 x>-4

4) x+ 7 <3 or 5x > 30
x<-4 x> 6

are they correct..

  • math - ,

    1. The solution is an inequality. Also when you multiply or divide by a negative number, the inequality is reversed.
    from you step:
    -3x/-3 < 6/-3
    Since you are dividing both sides by a negative number the inequality is flipped:
    x > -2

    2. OK

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