Question

1000-Х=25x30 X-500=72x20 даю 34 бала

Answer 1

1000-x=25×30

1000-x=750

-x=-1000+750

-x=-250

x=250

x-500=72×20

x-500 = 1440

x=1440+500

x=1940

Answer 2

1000-х=25*30

1000-х=750

х=1000-750

х=250

х-500=72*20

х-500=1440

х=1440+500

х=1940