3 years ago

When a number is doubled and then taken away from 10, the result is negative 18, what is the number

Mathematics

1 answer:

geniusboy [140]3 years ago

5 0

Answer:

The number is 14.

Step-by-step explanation:

Assuming that x is the number that we are looking for, then it is first doubled "2x", if it's taken away from 10 we have "10 - 2x" and this is equal to -18. Therefore we have the expression:

10 - 2x = -18

-2x = -18 -10

-2x = -28

x = -28/-2

x = 14

The number is 14.

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