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2(x + 4) < 12
2(x) + 2(4) < 12
2x + 8 < 12
2x + 8 - 8 < 12 - 8
2x < 4
2x/2 < 4/2
x < 2

Thus, all real numbesr less than 2 satisfy the inequality.

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Q: Twice the sum of a number and 4 is less than 12.?
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