SOLUTION: how do u solve y=0.45x+39.99 using substitution and elimination?

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Question 117611: how do u solve y=0.45x+39.99 using substitution and elimination?
Answer by stanbon(48565) About Me  (Show Source):
You can put this solution on YOUR website!
You don't.
You have to have two equations in the same two unknowns
to use substitution to solve the system of equations.
Cheers,
Stan H.