Question

Solve the open sentence.

–3 ≤ n + 6 ≤ 7

A.
n ≤ –9 and n ≤ 6

B.
n ≥ –9 and n ≤ 1

C.
n ≤ 3 and n ≤ 7

D.
n ≥ 9 and n ≤ 7

Answer 1

Ok. Let my < be less than or equal to sign and same with my >

So you have -3<n+6<7
Break it up into two

-3<n+6. n+6<7
-6. -6. -6. -6
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-9<n. n<1