Matematika

Pertanyaan

1.40:(X+3)=5:2...X+3=
2.8:5=(X+5):15....X+5=

1 Jawaban

  • 1. 40/(x+3)=5/2
       5x+15=80
       5x = 80-15
      5x = 65
       x = 65/5
       x = 13
      x+3 = 13+3 = 16
    2. 8 / 5= (x+5)/15
       5x+25= 120
       5x=120-25
         x= 95/5
         x=19
       x+5 = 19+5 =24

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