Question

Реши уравнения  690/(48-x)+50=73   (45+35)/x+43=47

Answer 1

45+35)÷Х+43=47
80Х= 47-43
80Х=4
Х=20

Answer 2

а второе

Answer 3

690 (48-Х)=23

Answer 4

да

Answer 5

690 (48-Х)=23 48-Х=69023 48-Х=30 Х=18