SOLUTION: Solving: -2 x-3y = 14 5 x-5y = 15 Using Substitution Method.

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Solving: -2 x-3y = 14 5 x-5y = 15 Using Substitution Method.       Log On


   

Question 455163: Solving:
-2 x-3y = 14
5 x-5y = 15

Using Substitution Method.
Answer by siddhant(1) About Me  (Show Source):
You can put this solution on YOUR website!
-2x=14+3y
x=-(14+3y)\2
therefore, substitute the value of x in equation 5x-5y=15
5(-14-3y)\2-5y=15
[(-70-15y)-10y]/2=15
(-25y-70)=30
y=-4
x=-1