SOLUTION: y=5-4x 2x-3y=13 How to solve this equation

Algebra ->  Equations -> SOLUTION: y=5-4x 2x-3y=13 How to solve this equation      Log On


   

Question 443085: y=5-4x
2x-3y=13
How to solve this equation
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
USE SUBSTITUTION METHOD
-----------------------
y = 5-4x ---> substitute this in for y in the second equation
2x-3(5-4x) = 13 ---> 2x-15+12x =13
14x = 28
x=2
---------
Plug x =2 back into either ORIGINAL equation
---------------
y = 5-4(2) ----> y = 5-8 = -3
y =-3
So our solutions are x=2, y=-3