Question

Реши уравнение.
19z−16,5z=6,4275

z=
Помогите срочнооо

Answer 1

19z−16,5z=6,4275
2,5z = 6,4275
z = 6,4275 : 2,5
z = 2,571

Answer 2

19-16,5=6,4275
2,5=6,4275
з=2,571