Question

5.3x+1.8=134.3                          (x-0.02)∙0.34=0.136

Answer 1

5.3х+1.8=134.3 
5.3х=134.3-1.8 
5.3х=132.5 
х=132.5/5.3 
х=25

Answer 2

(х-0,02)*0,34=0,136

0,34х - 0,0068=0,136

0,34х=0,0068 + 0,136

0,34х=0,1428

х=0,42