Question

Twice the difference of a number and 5 is at most 18

Answer 1

Answer:

≤ 14

Step-by-step explanation:

2 * x - 5 ≤ 18

divide 2 from both sides.

x - 5  ≤ 9

the answer is less than or equal to 14

Answer 2

Answer:

$2[-5 + n] ≤ 18;\:14 ≥ n$

Step-by-step explanation:

≥ → at most, maximum

≤ → at least; minimum

Any of these keywords will signal the above inequalities. Now, if you were to solve this, you would do this:

2[−5 + n] ≤ 18

_______ __

2 2

−5 + n ≤ 9

+5 + 5

________

$n ≤ 14$

* The above answer is written in reverse, which is the exact same result.

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