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What is the solution set for the open sentence with the given replacement set? 3x + 4 = 19, {4, 5, 6, 7}

User PixnBits
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1 Answer

5 votes
3x + 4 = 19
3(5) + 4 = 19
15 + 4 = 19
19 = 19

so answer x = 5
User Smoothware
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