Question

a)22 × x+x ×27+x=25 

Tìm x

Answer 1

<=> 22x + 27x + x = 25

<=> 50x = 25

=> x = 25 / 50 = 1/2

Answer 2

= 22x + 27x + x = 25

= 50x = 25

suy ra x = \(\dfrac{1}{2}\)

Answer 3

=22x +27x + x =25

=50x=25

Vậy x=1|2