Question

Реши систему:
x=3
29x-y=11

Answer 1

x= 3,

29x-y= 11.

29*3-y= 11

87-y= 11

-y= -76

y= 76

x= 3,

y= 76.

Answer 2

Если x=3,то 29x-y=11 =

= 29×3- y=11

87-y=11

y=87-11

y=76