Question

Решите уравнение (0,9х+4,55)*0,3=1,5и 60,8:(5,3х-2,15)=5

Answer 1

(0.9х+4,55)*0.3=1.5
0.27х+1.365=1.5
0.27х=1.5-1.365
0.27х=0.135
х=0.5