Question

Решите уравнение 30 •(1 5/6x+ 3 1/5)=231

Answer 1

30*(1.83х+3.2)=231
1.83х+3.2=231:30
1.83х+3.2=7.7
1.83х=7.7-3.2
1.83х=4.5
х=4.5:1.83=2.46