SOLUTION: the sum of a number and 9 is multiplied by -2 and the answer is -8.find the number

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Question 1033323: the sum of a number and 9 is multiplied by -2 and the answer is -8.find the number
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Let's call the number x. We then write
(x+9)(-2) = -8
Now we solve for x...
Divide by -2 first...
x + 9 = 4
Now subtract 9...we get
x = -5