SOLUTION: solve system of equation using substitution 3x-y=-10 x=2y-10 my attempt we already now what x is now substitute to solve for y 3(2y-10)=-10 6y-30=-10 +30 +30

Algebra ->  Linear-equations -> SOLUTION: solve system of equation using substitution 3x-y=-10 x=2y-10 my attempt we already now what x is now substitute to solve for y 3(2y-10)=-10 6y-30=-10 +30 +30       Log On


   

Question 720248: solve system of equation using substitution
3x-y=-10
x=2y-10
my attempt
we already now what x is
now substitute to solve for y
3(2y-10)=-10
6y-30=-10
+30 +30 6y=20 divide by 6 y =3.3333 i dont think this is right and I dont now what to do next
thanks
Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
you are on the right track,your answers are y=4,,,,,,,x=-2