Solve each equation. Please show all the work!
1. x+5=-2
2. 3b=42
3. 7x-2=22.5
4. 8+ 3m= -7
5. a - 2.5 = 4.5
6. n/5 =13
7. y/4 - 3 = -4
8. -3d/4 +5 = 11

Ze trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. what is ze relationship between the values of m and n? explain how you got ze answer