Matematika

Pertanyaan

Nilai x-y adalah....
Nilai x-y adalah....

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  • 2x + 3 + 75 = 180
    2x = 180 -78
    x = 102÷2
    = 51

    140 + 3y - 2 = 180
    3y = 180 - 138
    y = 42 ÷ 3
    = 14

    x - y = 51 - 14 = 37

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