3 years ago

Cuál es el menor número entero que, disminuido en 8, resulta menor que su triple

Mathematics

1 answer:

Mars2501 [29]3 years ago

5 0

Answer:

-3

Step-by-step explanation:

Let x = the number

Then 3x = its triple, and the condition is:

x - 8 < 3x

Subtract x from each side

-8 < 2x

Divide each side by 2

-4 < x

Reverse the inequality

x > -4

The smallest integer greater than -4 is -3.

Check:

-3 - 8 < 3(-3)

-11 < -9

It checks.

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