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lakenyagillard79
06.09.2021 •
Mathematics
C is the midpoint of AB. If AC = 2x + 18 and AB = 32, find x.
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Ответ:
x = -1
Step-by-step explanation:
What we know: AC+CB=AB (Because midpoints create two equal segments), and AC=CB
With this equation, we can substitute the AC and AB with what we were given.
2x+18+CB=32
Since AC=CB, we can put CB as 2x+18 as well.
So now our equation is:
2x+18+2x+18=32 or 2(2x+18)=32
Now, we just have to simplify!
4x+36=32
4x=-4
x = -1
Hope this helped!
Ответ:
386.9
Step-by-step explanation: