Can domeone help me with

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
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2. asked by Katie
3. 443 views
could domeone check over my work to see if it makes sense are correct any error I might have? thank-you.Ses parents n'étaient
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2. asked by stacey
3. 663 views