1. x - 7 > 10

x > 17

2. 3x <= 21

x <= 7

3. 5a - 2 < 18

a < 4

4. 2t + 8 >= -4(t + 1)

t >= -2

3 answers

correct
Corrected it so fast? :)
Just happened to be up, and saw it come in. Good work.