SOLUTION: Use the Substitution method to solve the system of equations. x + y = 10 y = x + 8

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Question 250169: Use the Substitution method to solve the system of equations.
x + y = 10
y = x + 8
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
substitute x+8 for y in equation one
x+x+8=10
subtract 8 from both sides
x+x=2
combine x's
2x=2
divide both sides by 2
x=1
substitute 1 for x in either original equation
solve for y