3. A. -6
Solution:
- 12t-10=14t+2
- 12t-14t= 2+10
- -2t= 12 Divide -2 by both sides to eliminate -2 and to find the value of t.
- t= -6
4. C. 6
Solution:
- 5(z+1)= 3(z+2)+11
- 5z+5= 3z+6+11
- 5z-3z= 6+11-5
- 2z= 17-5
- 2z= 12
- z= 6
Sana makatulong. Correct me if I'm wrong:)
