Question

Solve this questions​

Answer 1

Hey here's your answer

Explanation:

7. 3(t-3)=5(2t+1)

3t-9 = 10t +5

-14=7t

-2=t

8. 15(y-4)-2(y-9)+5(y+6)=0

15y- 60- 2y-18+5y+30=

13y - 78+5y +30=0

Answer 2

Answer:

sorry I don't know but..