mspameladlewispabnri mspameladlewispabnri

14-06-2018
Mathematics

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twice the sum of a number and 9 equals 6

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perixwinkle perixwinkle

18-06-2018

Let's make the equation.
2(N+9)=6
Let's divide both sides by 2.
n+9=3
Now subtract 9 from both sides.
n=-6
So, the number is -6.

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