Matematika

Pertanyaan

1. 12-3x<24-6x
2. 3(2m+4)=3m+3b
3. 4x-4=3(-x+8)
4. 6x+6=3(3x+12)
5. 6m+4=2(4m-24)

1 Jawaban

  • 1. 12-3x<25-6x
    -3x+6x<25-12
    3x < 12
    x < 4
    2. 6m+12=3m+3
    6m-3m=3-12
    3m=-9
    m=-3
    3. 4x-4=-3x+24
    4x+3x=24+4
    7x=28
    x=4
    4. 6x+6=9x+36
    6x-9x=36-6
    -3x=30
    x=-10
    5. 6m-4=8m-48
    6m-8m=-49+4
    -2m=-44
    m=22

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