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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}

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

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User PixnBits
by
8.1k points

1 Answer

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

so answer x = 5
answered
User Smoothware
by
8.6k points
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