Question

Solve for x.
3/x+9=7/x+4

Answer 1

x = 4/5

Explanation:

Subtract 3/x+4, then multiply by x/5:

`(3)/(x)+9=(7)/(x)+4\\\\5=(4)/(x)\\\\\boxed{x=(4)/(5)}`

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If you meant 3/(x+9) = 7/(x+4), you need to write it with parentheses around the denominator. (In that case, x=-12.75.)