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4x + 7 = 23 S = {3, 4, 5, 6}

User Chrystian
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4x = 23- 7 \\ 4x = 16 \\ (4x)/(4) = (16)/(4) \\ x = 4

I HOPE THIS IS WHAT YOU WANT SINCE YOU WERE NOT STRAIGHTFORWARD.

DM ME IF YOU HAVE ANY QUERIES.

User Satvinder
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