SOLUTION: one more than the difference between 18 and seven times a number is -9
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Question 1057293: one more than the difference between 18 and seven times a number is -9
Answer by solve_for_x(190) (Show Source): You can put this solution on YOUR website!
Let x represent the unknown number.
Then "the difference between 18 and 7 times a number" can be represented as:
18 - 7x
Since one more than this value must be equal to -9, you can write:
(18 - 7x) + 1 = -9
or
19 - 7x = -9
Subtracting 19 from both sides gives:
-7x = -28
Dividing both sides by -7 then gives:
x = -28 / -7
x = 4
The unknown number is 4.
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