Find the length of AB.

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Let AB be called x.

26/(18+x) = 14/x

14(18+x)=26x

252+14x=26x

252=12x

x=21

So, AB = 21

Let me know if this helps!

turning oxygen into carbon dioxide.

try this. the error is that sariah was combining a constant (4.5) with a variable with a coefficient, thus getting an inaccurate answer.

this is also assuming that you meant to put an equal sign before the 4.5 + x 35 x

to solve this problem, the strategy used is just to solve it yourself and find the correct answer by combining like terms.

hope this !