Question

Can domeone help me with this?

solve 7x + 4 ¡Ý - 31 or 9x + 4 ¡Ý - 21
I need to know how to write the solution {x x> }
This is my last day of this class

Answer 1

The answers are -5 and -3 I need to know how to write the solution {x x> } help