3×x=57 x:68=4 540:x=90

Question

3×x=57 x:68=4 540:x=90

Answer 1

3х=57
х=57:3
х=19

х=4*68
х=272

х=540:90
х=6

Answer 2

Х=57:3
Х=19;
Х=4*68
Х=272;
Х=540:90
Х=6