Friday, October 9, 2015

Expressions

Evaluate the following expression:


4x - y + 2y - x     When x = -8   and y = -5
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6 comments:

  1. AnonymousOctober 9, 2015 at 8:10 AM

    4 x -8 = -32
    -32 + -10 = -42
    -42 - -8 = -34
    4x - y + 2y - x = -34

    ReplyDelete
  2. AnonymousOctober 9, 2015 at 8:10 AM

    4(-8)-(5)+2(-5)-(-8)
    -2-5+2(-5)-8(-8)
    -3+2(-5)-8(-8)
    -1(-5)-8-(-8)
    -5-8-(-8)
    3-(-8)
    =-5

    ReplyDelete
  3. AnonymousOctober 9, 2015 at 8:13 AM

    4(-8) - -5 + 2(-5) - -8
    4(-8)= -32 + -5= -37+ -10= -47 + -8= -55

    ReplyDelete
  4. AnonymousOctober 9, 2015 at 8:14 AM

    4 x -8 = 32 - (-5) = 37 2 x -8 = 16 + 37 = 53 - (-8) = 61

    ReplyDelete
  5. AnonymousOctober 9, 2015 at 8:14 AM

    -29

    ReplyDelete
  6. AnonymousOctober 9, 2015 at 8:15 AM

    4/8=-2
    -2-(-5)=3
    3+2/-5=1
    1-(-8)=-7

    ReplyDelete

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