Question

 2,6x=1307,8; x*7,08=84,96; 512x=5,12; x*23,5=143,35; 5,3x=4,24; 0,342x=0,342; 2,31x=01617; x*3,4=3,4068; 28x=0,028

Answer 1

 2,6x=1307,8;   х=503

x*7,08=84,96;  х=12

512x=5,12;   х=0,01

x*23,5=143,35;   х=6,1

5,3x=4,24;   х=0,8

0,342x=0,342;   х=1

2,31x=0,1617;   х=0,07 

x*3,4=3,4068;   х=1,002

28x=0,028   х=0,001