SOLUTION: How many solutions are there to this: 2x=3y-9 , -3x+y=10

Algebra ->  Test -> SOLUTION: How many solutions are there to this: 2x=3y-9 , -3x+y=10      Log On


   

Question 737326: How many solutions are there to this: 2x=3y-9 , -3x+y=10
Answer by musicmaster4(7) About Me  (Show Source):
You can put this solution on YOUR website!
Rewrite 1st equation as -2x+3y=9
-2x+3y=9(3)
-3x+y=10(-2)
-6x+9y=27
+6x-2y=-20
7y=7
y=1
-2x+3(1)=27
-2x+3=27
-2x=24
x=-12
(-12,1); 1 solution