Question

-7n - 15 ≥ 21?

n ≥ -4
n ≥ 7.2
n ≤ -4
n ≤ 4

Answer 1

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-7n-15≤21. find n

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❖ Add 15 to both sides:-

-7n≤21+15

-7n≤36

❖ Now divide by -7 on both sides:-

n≥-5.14 or

n≥-5

The inequality sign changed because we divided both sides by a negative number.

Good luck.

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