8 less than a number​

1 " a number x" →x.

2 "less than a number x" means to subtract →x−

3 "8 less than a number x" means to subtract →x−8.

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13 is the answer to 8 less than a number

a mantle plume is an upwelling of abnormally hot rock within the earth's mantle. as the heads of mantle plumes can partly melt when they reach shallow depths, they are thought to be the cause of volcanic centers known as hotspots and probably also to have caused flood basalts.

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