a number divided by -13 is -1 find the number
Answers
Step-by-step explanation:
In questions like this, where a sequence of operations is carried out in turn; to find the inverse of the combined operation, you need to find the inverse (that is the operation which reverses the action of a given operation) of each individual operation in the sequence, and carry out these inverted operations in the reverse order.
In the case of this question there are two operations in the sequence (1) add 13 to a given number and (2) divide a given number by 13. The inverse of (1) is subtract 13 from a given number and the inverse of (2) is multiply a given number by 13. Hence the solution to the problem is: start with 1 and multiply it by 13 (the result is 13) and then subtract 13 from this partial result. The result is 0 and this is the answer to the question.
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