SOLUTION: 1.what is the solution to this linear system ? 2x+5y=-1 15x-5y=-50

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: 1.what is the solution to this linear system ? 2x+5y=-1 15x-5y=-50       Log On


   

Question 761183: 1.what is the solution to this linear system ?
2x+5y=-1
15x-5y=-50

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Just add the two equations, left side to left side and right side to right side:



Collect terms



Solve for

Substitute the now known value of back into either original equation and solve for . The solution set consists of an ordered pair using the values of and you just calculated.

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism