Solve for X:
3 over 8 = x + 2 over 7 | And a bit of how you worked it out would be awesome, I am so lost. Thanks in advance!

Question

Solve for X:
3 over 8 = x + 2 over 7   | And a bit of how you worked it out would be awesome, I am so lost. Thanks in advance!

mathstudent55 · Answer

Is this what you mean?
Is x + 2 a quantity over 7?

$ \dfrac{3}{8} = \dfrac{x + 2}{7} $

anonymous · Answer

Exactly, yes. I don't know how to type that that way.

mathstudent55 · Answer

Since you have a fraction equal to a fraction, the easiest way to solve it is by cross multiplying.
Are you familiar with cross multiplication?

anonymous · Answer

That would be 3 to 7 and 8 to x+2, right? (bare with me here, math is my worst subject)

mathstudent55 · Answer

Yes you are correct. Here I'm showing it anyway.

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