Question

Реши уравнения (45+35):х+43=47

Answer 1

80:x+43=47
80:x=47-43
80:x=4
x=80:4
x=20

Answer 2

(45+35)÷х+43=47
80÷х+43=47
80÷х=47-43
80÷х=4
х=80÷4
х=20
__________
Ответ:х=20