SOLUTION: how do you solve for 4x+3y=180 my teacher gave us the hint that x= 15 and that y=40 but i cant figure out the steps

Algebra ->  Sequences-and-series -> SOLUTION: how do you solve for 4x+3y=180 my teacher gave us the hint that x= 15 and that y=40 but i cant figure out the steps      Log On


   



Question 491118: how do you solve for 4x+3y=180 my teacher gave us the hint that x= 15 and that y=40 but i cant figure out the steps
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Your teacher already solved it, but this
is a case of 1 equation and 2 unknowns,
so it isn't solvable except by trial and error.
( as far as I know )