SOLUTION: Which expression can be substituted for y in the top equation of the system to solve the system by substitution? 5x + 4y = -2 x - y = 3 Thank you, my choices are as fol

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Which expression can be substituted for y in the top equation of the system to solve the system by substitution? 5x + 4y = -2 x - y = 3 Thank you, my choices are as fol      Log On


   

Question 1106666:
Which expression can be substituted for y in the top equation of the system to solve the system by substitution?
5x + 4y = -2
x - y = 3
Thank you, my choices are as follows:
1) 3 - x
2) −5/4x−1/2
3) 3x - 9
4) x - 3
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
Use the second equation. Solve it for y in terms of x. Answer will be obvious.