SOLUTION: How do you solve 3/4x +1/3y=1 x-y=10 using subsitution?

Algebra ->  Systems-of-equations -> SOLUTION: How do you solve 3/4x +1/3y=1 x-y=10 using subsitution?      Log On


   



Question 274728: How do you solve 3/4x +1/3y=1
x-y=10
using subsitution?

Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
%283%2F4%29x%2B%281%2F3%29y=1
x-y=10 x=10%2By
__________________
%283%2F4%29%2810%2By%29%2B%281%2F3%29y=1
%2830%2B3y%29%2F4%2B%281%2F3%29y=1
%28%2830%2B3y%29%2F4%29%283%2F3%29%2B%281%2F3%29%284%2F4%29y=1
%2890%2B9y%29%2F12%2B%284y%2F12%29=1
%2890%2B9y%2B4y%29%2F12=1
%2890%2B13y%29=12
13y=78
y=highlight%286%29
x=10%2By
x=10%2B6
x=highlight%2816%29