SOLUTION: the sum of twice a number and 9 is equal to the sum of the number and 6

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Question 982725: the sum of twice a number and 9 is equal to the sum of the number and 6
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
the sum of twice a number and 9
is equal to the sum of the number and 6
Make the number = 'x'
2x + 9 = x + 6
Collect like terms
2x - x = 6 - 9
x = -3
The number is = -3
Hope this helps:-)