Question

(y+25)×7=322
34×(x-8)=408

Answer 1

7у + 175 = 322
7у = 322 - 175
7у = 147
  у = 147 : 7
  у = 21
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34х - 272 = 408
34х = 408 + 272
34х = 680 : 34
    х = 20