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horrorfan [7]
3 years ago
15

A number decreased by the sum of the number and four and please show the steps

Mathematics
1 answer:
FromTheMoon [43]3 years ago
3 0

let the number be x.

a number decreased means

x-

and the sum of the number and 4 is

x+4

to put the expression together, we get. put them in parentheses

x - ( x+4 )

= x - x -4

= - 4

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