Question

Tìm X:

                     X : 525 + 700 : x = 7

Answer 1

X : 525 + 700 : X = 7

<=> ( 525 + 700 ) : X = 7

<=> 1225 :x = 7

<=> x= 1225/7

<=> x=175

Answer 2

X:525+700:X=7

(525+700):x=7

1225:x=7

x=1225:7

x=175