Trabajo para entregar
- 4. 3x + 2y =8……(1)
4x – 3y =5……(2)
2x = 16-4y
X= 8-2y
- 5. 24 - 6y - 4y = -6
-10y = -30
Y= 3
- 7. 3x - 4y =-6……(1)
2x + 4y =16……(2)
- 8. 2(-6 + 4y) = 3 (16 – 4y)
-12 + 8y = 48 – 12y
8y + 12y = 48 +12
20y = 60
Y=3
- 12. 2x + 4x3 = 16
2x + 12 = 16
2x = 4
X=2