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3 years ago

A number is added to 13. The result is then multiplied by 2 to give a new result of 52. What is the number ?

Mathematics

1 answer:

Andreyy893 years ago

5 0

Hi, so I first I divided 52 by 2 and ended up with 26. 26-13 is 13.

The answer is 13

Check my work 13+13 =26

26 times 2 is 52

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$\begin{gathered} For\text{ the point }(0,3) \\ x=0,y=3 \\ 4x-6y\leq-18 \\ 4(0)-6(3)=0-18=-18 \\ Since\text{ }-18=-18,\text{ then }(0,3)\text{ is a solution} \end{gathered}$

$\begin{gathered} For\text{ the point }(5,-3) \\ x=5,y=-3 \\ 4x-6y\leq-18 \\ 4(5)-6(-3)=20+18=38 \\ Since\text{ }38>-18,\text{ then }(5,-3)\text{ is not a solution} \end{gathered}$

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