Question 641195
10x + 3y = 8 will be Equation 1
 2x + y = 2 will be Equation 2

Equation (2) 2x+y=2
            y=-2x+2

Substitute the expression into equation (1)

 Equation (1): 10x+3(-2x+2)=8
               10x-6x+6=8
               4x+6=8
               4x=2
               x=1/2

Substitute the answer to the expression obtained in equation (2)
                 y=-2x+2
                 y=-2(1/2)+2     
                 y= 1

To check:
   Eq (1):  10x + 3y = 8
            10(1/2)+3(1)=8
            5+3=8   
            8=8

   Eq (2):  2x + y = 2
            2(1/2)+1=2
            1+1=2
            2=2


Btw, I'm 12 years old.