Question

х+(34+17)=80,(50-17)+у=70,реши уравнения

Answer 1

1)x+34+17=80 2)50+17+y=70
x=80-34-17 y=70-50-17
x=46-17 y=20-17
x=29 y=3

Answer 2

х+(34+17)=80
х+51=80
х=80-51
х=29

(50-17)+у=70
33+у=70
у=70-33
у=37