Question

решите уравнение 1)(x-18,2)+3,8=15,6

Answer 1

x-18.2=15.6-3.8
x-18.2=11.8
x=18.2+11.8
x=30

Answer 2

1) х-18.2+3.8=15.6
х=15.6-3.8+18.2
х=30

34.7-17.9+у=22
у=22+17.9-34.7
у=5.2