Which of the following is the solution to 17 - 2 x = -11? 1. 14 2. -14 3. -3 4. 3
1 answer:
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The decimal representation of any number is a linear combination of powers of 10. In other words, given a number like 123.456, we can expand it as
for any
, so the above is the same as
Similarly, we can write
Now it's a question of reducing the fraction as much as possible. We have so