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3 years ago

When think of a number double it and add five and get 13 What the number I Thought

Mathematics

1 answer:

aev [14]3 years ago

3 0

Let the no be x

ATQ

$\\ \sf\longmapsto 2x+5=13$

$\\ \sf\longmapsto 2x=13-5$

$\\ \sf\longmapsto 2x=8$

$\\ \sf\longmapsto x=\dfrac{8}{2}$

$\\ \sf\longmapsto x=4$

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