Question

metodo de igualación: 2(y+3)=x
y-2+2x=0
ayuda!!

Answer 1

2(y+3)=x
y-2+2x=0 

 

 

2y+6=x

-x+2y=-6       -x=-6-2y/1

2x+y=2          x=2-y/2

 

2(-6-2y) = 1(2-y)            2x+y=2             

  -12-4y = 2-y              2x+(-4.6)=2

    -4y+y= 2+12                2x-4.6=2      

        -3y=14                            2x=2+4.6       

           y= 14/-3                   x=6.6/2

           y= -4.6                     x=3.3

 

 2x+y=2

2(3.3)+(-4.6)=2

         6.6-4.6=2

                   2=2