Matematika

Pertanyaan

X+8=12
12+X=-4
10-X=-8
-X+2=4
18-(-X)=10

1 Jawaban

  • Bab Aljabar
    Matematika SMP Kelas VII

    1] x + 8 = 12
    x = 12 - 8
    x = 4

    2] 12 + x = -4
    x = -4 -12
    x = -16

    3] 10 - x = -8
    x = 10 + 8
    x = 18

    4] -x + 2 = 4
    x = 2 - 4
    x = -2

    5] 18 - (-x) = 10
    18 + x = 10
    x = 10 - 18
    x = -8

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