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viva [34]
3 years ago
10

A number is decreased by seven. Then, the new number is multiplied by 3 to get an answer of -9. What is the original number?

Mathematics
1 answer:
stellarik [79]3 years ago
8 0
4-7= -3
-3x3= -9
answer is C
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Step-by-step explanation:

In this question, we are asked to find the other 3 angles in an intersection.

Please check attachment for what the diagram of the intersection might look like.

The intersection consists simply of 4 angles meeting at a point with the 2 angles on each side vertically opposite to the angles on the other side.

since one of the angles is 55, and we are having a straight line, the other angle would be 180-55 = 125.[ sum of angles on a straight line is 180]

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