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Four times the sum of a number and 15 is at least 120. Let x represent the number. Find all possible values for x. Mathematics

Four times the sum of a number and 15 is at least 120. Let x represent the number. Find all possible values for x. Mathematics
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Four times the sum of a number and 15 is at least 120. Let x represent the number. Find all possible values for x.

Mathematics

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User Shia
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1 Answer

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4(x+15)≥120⇔4x+60≥120If we solve for x, we find that x≥15
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User Kram
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