Question

решите уравнения a) 33x-17x+14=558 b) 988:(7x-18)=26

Answer 1

а) 16х +14 = 558

     16х = 558 -14

     16 х = 544

          х = 34

 

б)  988 = 26(7х-18)

     988 = 182 х -468

    -182х = -988 - 468

      182х = 1456

         х = 8