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sully6
Apr 12, 2011, 06:14 PM
y=3x
x+y=4500

y=3x
x+y=4500

y=3x
x+y=4500 solve by elimination

ModEDIT: Threads merged.
JudyKayTee
Apr 12, 2011, 06:16 PM
Yes.
Unknown008
Apr 13, 2011, 09:29 AM
1. Make sure the variables are on the same side of the equation.
2. Add or subtract one equation from the other to eliminate one variable while keeping the other.
3. Solve this one variable equation.
4. Use this value to get the value of the other variable.