Question

Решите уравнение: х:9=11, х+75=2075, х*8=720, х-80=360, 5:х=56, 90-х=90

Answer 1

x/9=11
x=99
=======================
x+75=2075
x=2075-75
x=2000
========================
x-80=360
x=360+80
x=440
=========================
5/x=56
x=5/56
Проверка:
5: 5/56 = 5*56/5 = 56
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90-х=90
х=0

Answer 2

Спасибо!!