algebra

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2. W/4 - 4 = 3

a)-4
b)28******
c)3
d)11

3.X/5 + 6 = 10
a)44
b)30*******
c)20
d)-20

4.-2(m-30)=-6m
a)-15
b)-13************
c)-8
d)8

5.3.75x+3.7=1.7+1.75x
a)10
b)-1
c)1*****
d).1

Please check my answers :)

  • algebra -

    #2 ok
    #3 10-6 = 4
    #4 divide first by -2:
    -2(m-30)=-6m
    m-30 = 3m
    #5 Collect everything on the left:
    3.75x+3.7=1.7+1.75x
    2x+2 = 0

  • algebra -

    2. correct
    3.incorrect, C.20
    4.incorrect, A.-15
    5.incorrect, B.-1
    Hoped I helped!

  • algebra -

    #2 - ok

    #3
    x/5+6=10
    x/5=4
    x = 20

    #4
    -2(m-30) = -6m
    -2m + 60 = -6m
    4m = -60
    m = -15

    #5
    3.75x+3.7=1.7+1.75x
    2x = -2
    x = -1

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