2 years ago

A number decreased by the sum of the number and four

1 answer:

ira [324]2 years ago

5 0

<span>A number decreased by the sum of the number and four
is -4</span>

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mylen [45]

10x = 4(2x -9)

10x = 8x - 36

10x - 8x = -36 - 8x

2x = -36

2x ÷ 2 = -36 ÷ 2

x = -18

If you need a better explanation just as in the comments.

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