Question

Уравнение (72÷х+16 )×2+12=60

Answer 1

72÷x+16x12+12=60
72
---- +192+12=60
x
72
---- +204=60
x
72
---- =60-204
x

72
----= -144x
x
72=-144x
×=1
----
2

Answer 2

(72÷х+16)×2+12=60
72÷х+16=(60-12)÷2
72÷х+16=24
72÷х=24-16
72÷х=8
Х=72÷8
Х=9
__________
(72÷9+16)×2+12=60
60=60