Question

0.2(3x-5)-0.3(x-1)=-0.7 уравнение

Answer 1

х-любое
0,6х-0,3х=-0,7-0,3+1
0,3х=0

Answer 2

0.2(3x-5)-0.3(x-1)= - 0.7
0.6х-1-0.3х+0.3= - 0.7
0.3х= - 0.7-0.3+1
0.3х= 0
х= 0/0.3
х=0
Ответ: х=0