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31-01-2020
Mathematics

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Twice the difference of a number and 8 equals 5

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toifbola toifbola

31-01-2020

Answer:

Step-by-step explanation:

Let the number be x

So 2-x+8=5

Collect like terms:NB:when a figure moves over the = sign it changes its sign. If it was + it becomes - and if it was -it changes to +

-x=5-2-8

-x=-5

Divide both sides by -

X=5

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