Matematika

Pertanyaan

jika 5 2/3+x/9 = 9 2/9,maka x ?
a. 30
b. 31
c. 32
d. 33

2 Jawaban

  • 5 2/3 + x/9 = 9 2/9 
    17/3 + x/9 = 83/9 
    x/9 = 83/9 - 17/3 
    x/9 = 83/9 - 51/9
    x/9 = 32/9 ---------> kali silang 
    9x = 32 × 9 
    9x = 288 
    x = 288/9 
    x = 32  ---------> C 

    semoga membantu 
  • 17/3 + x/9 = 83/9
    X/9 = 83/9 - 17/3
    x/9 = 83-51/9
    x/9= 32/9
    9x= 288
    X= 32

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