х+6/4=8-4х+1/5
20х+30=160-80х+4
20х+80х=160+4-30
100х=134
х=134/100
х=1,34
x+4x=8-6/4+1/5
5x=8-1.5+0.2
5x=6.7
x=6.7/5
x=13.4/10
x=1.34
х+6/4=8-4х+1/5
20х+30=160-80х+4
20х+80х=160+4-30
100х=134
х=134/100
х=1,34
x+4x=8-6/4+1/5
5x=8-1.5+0.2
5x=6.7
x=6.7/5
x=13.4/10
x=1.34