4 years ago

Twice the sum of a number and negative two is sixteen. find the number

2 answers:

dexar [7]4 years ago

5 0

It would be 9 because 2x9=18. Then 18+-2=16.

3 0

N is the number
2(n-2)=16
divide both sides by 2
n-2=8
add 2 to both sides
n=10

the number is 10

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