SOLUTION: solve by the substitution method x+y+8 -2x+y=2

Algebra ->  Customizable Word Problem Solvers  -> Evaluation -> SOLUTION: solve by the substitution method x+y+8 -2x+y=2      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 250123: solve by the substitution method
x+y+8
-2x+y=2
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x+y+8
-2x+y=2
solve the first for y in terms of x
y=8-x
substitute 8-x for y in the second equation
and solve
when you have y plug in that value into any of the equations to get x