SOLUTION: i need help with these questions.
1. solve the system of equations 2x + 3y = 40 and -2x + 2y =20.
2. solve the system of equations 2r + 2s =50 and 2r - s = 17.
3. solve the sy
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Question 320464: i need help with these questions.
1. solve the system of equations 2x + 3y = 40 and -2x + 2y =20.
2. solve the system of equations 2r + 2s =50 and 2r - s = 17.
3. solve the system of equations 3r - 4s = 0 and 2r + 5s =23.
4. solve the system of equations 3y + 2z = 12 and y - z = 9.
5. a line in the cartesian plane passes through the points (-2, 4) and (2, -1). what are the rise and the run of the line?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Sorry. Only one question per post.
1.
Add the two equations:
Substitute:
\ =\ 40)
John
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