Your second equation tells you that . So you have this expression in that is equal to . That means that anywhere you see in the first equation, you can replace it with , like this:
Now you have a simple linear equation in one variable. Solve it for . Once you have a value for substitute that value into the second equation and do the arithmetic required to calculate the value of .
Finally, represent your answer as an ordered pair where is the value you determined for above, and is the value you calculated for .
John
My calculator said it, I believe it, that settles it
