This is a very basic question about algebra, but it's been... quite a while, and my education sucks anyways. Googling didn't really yield anything, I'm probably not looking for the right terms.

So to illustrate, let's say I have a fraction with X on both sides, and I have the ratio, for example like so:

(5 + x) / (2 + x) = 1.75

Obviously, x = 2 in this case. I've made the example up to demonstrate, after all.

But I can't for the life of me figure out how to solve this for x. I just don't remember the rules for additions in fractions and I can't seem to find them without reading a textbook front to back...

So to illustrate, let's say I have a fraction with X on both sides, and I have the ratio, for example like so:

(5 + x) / (2 + x) = 1.75

Obviously, x = 2 in this case. I've made the example up to demonstrate, after all.

But I can't for the life of me figure out how to solve this for x. I just don't remember the rules for additions in fractions and I can't seem to find them without reading a textbook front to back...

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