Question 34306
add the 2 equations to solve for x and y

 x+y =10
 2x-y=-1

when u add,u get
  3 x = 9
  therefore x = 9/3
              = 3

put x =3 in equation 1 to get the value of y,

x +y =10
3 + y = 10
   therefore y = 10 -3 
               =7

the values are x=3 and y =7.

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