25-11-2018
Mathematics

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I don’t understand these

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25-11-2018

So we should reverse the equation to

10+10=2x

We know that 10+10 is 20

and 20 divided by 2 is 10

so x=10

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25-11-2018

The answer is 10

you have to add 10 to both sides of the both 10's then u bring everything down so it will be 2x=20 then divide 2 for 20 and 2x and x=10

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