Question

Tìm x :

8,75 * x + 1,25 * x = 20.

Answer 1

8,75 * x + 1,25 * x = 20

x * ( 8,75 + 1,25 ) = 20

x * 10 = 20

x = 20 : 10 

x = 2

Answer 2

x.(8,75+1,25)=20

=> x.10=20

=>x= 20:10=2

Answer 3

[8,75+1,25]*X=20

=10*X=20

=20:10

=2