Question

The sum of 3 times a number and -4 is at least twice the number plus 8

Answer 1

3x+(-4) < _2x+8
The sign should have a line under.
I tried to depict it as much as possible. The second X is the answer to the first line

Answer 2

3x - 4 > 2x + 8

3x - 2x > 8 - 4

x > 4