Question

Реши уравнения 40000+ х=78000. а*6=420000

Answer 1

х=78000-40000
х=38000.
а=420000:6
а=70000

Answer 2

40000+x=78000
x=78000-40000
x=38000
40000+38000=78000

a*6=420000
420000разделить6
a=70000