Question

linear equation and simple inequalities
1. y - 7 = -3
2. 3x - 7= 4 - 8x
3. 3 ( y + 1) = 4y - 21
4. 2 (3b - 4) = 5( b + 7) ​

Answer 1

Answer:

1) y = 4

2) 11x = 11

x = 1

3). y = 18

4). b = 43