SOLUTION: 1. 7x+2y=1 and 4x+3y=8 2. x+y=5 and x-y=3 3. x+3y=-30 and y=3x 4. 2x+5y=9 and x+3y=5 5. (a+b)/3=2+2b and (2a-4b)/5= 23/5-b 6. y=2x+3 and y=-3x–7 7. x+2y+3 =7x–y an

Algebra ->  Linear-equations -> SOLUTION: 1. 7x+2y=1 and 4x+3y=8 2. x+y=5 and x-y=3 3. x+3y=-30 and y=3x 4. 2x+5y=9 and x+3y=5 5. (a+b)/3=2+2b and (2a-4b)/5= 23/5-b 6. y=2x+3 and y=-3x–7 7. x+2y+3 =7x–y an      Log On


   

Question 997561: 1. 7x+2y=1 and 4x+3y=8
2. x+y=5 and x-y=3

3. x+3y=-30 and y=3x
4. 2x+5y=9 and x+3y=5

5. (a+b)/3=2+2b and (2a-4b)/5= 23/5-b
6. y=2x+3 and y=-3x–7

7. x+2y+3 =7x–y and 2x–3y+16 =7x–y
8. (x+y)/(3-y)=1/2 and (x-y)/(3+2y)=4
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
1) x= -1, y= 4
2) x= 4, y= 1
3) x= -3, y= -9
4) x= 2, y= 1
No more time. Good luck.