B. inggris

Pertanyaan

tentukan himpunan <br />
penyelesayan dari persaman berikut ini<br />
1.4(2*+3)

2. 12+3a=5+2a<br />
3. 3(x+1) = 2(x+4)<br />
4.4(3-2y) = 15-7y<br />
5.3(2y-3) = 5(y-2<br />
6.8-2(3-4y = 7y-1

1 Jawaban

  • 2.) 12+3a = 5+2a
    3a-2a = 5-12
    a = -7

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

    4.) 12-8y = 15-7y
    12-15 = -7y + 8y
    -3 = y

    5.) 6y-9 = 5y-10
    6y-5y = -10+9
    y = -1

    6.) 8-6+8y = 7y-1
    2 + 8y = 7y-1
    8y-7y = -1 -2
    y = -3

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