Question

У:8,4=1 1/8: 6 3/4 решите уравнение
5*(2+3х)-(7х-10)=4

Answer 1

У/8,4=(9/8)/(27/4)
У/8,4=1/6
У=1/6*8.4
У=1,4

5(2+3х)-(7х-10)=4
10+15х-7х+10=4
8х+20=4
8х=-16
х=-2