(а+в)×х=с, где 13+а=30, а-9=b и 1000:b=c

Question

(а+в)×х=с, где 13+а=30, а-9=b и 1000:b=c

Answer 1

А=30-13=17
b=a-9=17-9=8
c=1000/b=1000/8= 125
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(17+8)*x=125
25*x=125
x=125/25
x=5

Comments

n=140/5=28

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k=40-28=12

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m=88+12=100

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(100-28)/x=12

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72/x=12

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x=72/12

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x=6