SOLUTION: solve by any method. 1. 7x+3y+2=3+7y+6x+11 2. 2x+5y+7=4x+3y-5

Algebra ->  Linear-equations -> SOLUTION: solve by any method. 1. 7x+3y+2=3+7y+6x+11 2. 2x+5y+7=4x+3y-5      Log On


   

Question 168759: solve by any method.
1.
7x+3y+2=3+7y+6x+11
2.
2x+5y+7=4x+3y-5
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
1. 7x+3y+2=3+7y+6x+11
7x-6x+3y-7y=11-2
x-4y=9
-4y=-x+9
y=-x/-4+9/-4
y=x/4-9/4 ans.(red line)
2. 2x+5y+7=4x+3y-5
2x-4x+5y-3y=-5-7
-2x+2y=-12
2y=2x-12
y=2x/2-12/2
y=x-6 (green line)
+graph%28+300%2C+200%2C+-6%2C+6%2C+-10%2C+10%2C+x%2F4+-9%2F4%2C+x+-6%29+ (graph 300x200 pixels, x from -6 to 6, y from -10 to 10, of TWO functions x/4 -9/4 and x -6).
Ans. (5,-1)