3 years ago

twice the difference between a number and 10 is equal to 6 times the number plus 14. what is the number?

1 answer:

4 0

Let the number be n. Then 2(n-10) = 6n + 14.

Multiplying out the left side, 2n - 20 = 6n + 14. Thus, -34=4n, and n = -17/2.

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