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

1 answer

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