2/3х+4 1/6=5 2/3 Решите уравнеие!
ответ:2 1/4
[tex]\frac{2}{3}x=5\frac{4}{6}-4\frac{1}{6} \\\frac{2}{3}x=1,5 \\x=1,5:2*3=2,25=2\frac{1}{4}[/tex]
2/3х+4 1/6=5 2/3
2/3х=5 2/3-4 1/6
2/3х=17/3-25/6
2/3х=34/6-25/6
2/3х=9/6
х=9/6:2/3
х=9/6*3/2
х=27/12
х=2 3/12=2 1/4
