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Mathematics 15 Online
OpenStudy (anonymous):

If 75 equals a number plus four times the number, find the number. A. –15 B. 30 C. 15 D. –30

OpenStudy (anonymous):

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OpenStudy (anonymous):

That says 75=x+4x

OpenStudy (anonymous):

how did u get it?

OpenStudy (anonymous):

It says 75 equals so we know that it is going to be 75=

OpenStudy (anonymous):

Then it says

OpenStudy (anonymous):

a number, which were are going to put as x

OpenStudy (anonymous):

So now we have 75=x

OpenStudy (anonymous):

Then, it says plus four times the number. We said the number is going to be x, so it will be 4x

OpenStudy (anonymous):

Now, we have 75=x+4x

OpenStudy (anonymous):

75=5x x=15

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