Question

Решите уравнение: 2/3*(1,5х+6)-0,8*(5/12*х-0,5)=1

Answer 1

2/3*1,5х+2/3*6-0,8*5/12х-0,8*0,5=1
2*0,5х+4-(1/3)х-0,4=1
(2/3)х+4-0,4=1
(2/3)х=-2,6
х=-2,6÷(2/3)
х=-3,9