-5x - 7 < 28 A: x < -7 B: x > 21/5 C: x < -21/5 D: x > -7 Please help & explain how you got to the answer

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asked Apr 5, 2018 219k views

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Mark Allison · Answer 1 · 2018-04-12T04:10:51+0000

-5x - 7 < 28.....add 7 to both sides
-5x < 35....divide both sides by -5, change the inequality sign (u change the inequality sign when dividing/multiplying by a negative number)
x > -7

-5x - 7 < 28 A: x < -7 B: x > 21/5 C: x < -21/5 D: x > -7 Please help & explain how you got to the answer

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