Question

решите пожалуйста (8,3-x)*4,7=5,64

Answer 1

(8.3-Х)=5.64:4.7

(8.3-Х)=1.2

Х=8.3-1.2

Х=7.1

(8.3-7.1)*4.7=5.64

           5.64=5.64

 

Answer 2

(8.3-x)*4.7=5.64

39.01-4.7x=5.64

-4.7x=5.64/39.01

-4.7x=0.145

x=0.145/(-4.7)

x=-0.03