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Mathematics 7 Online
OpenStudy (anonymous):

For the lengths AB, BC, and AC to equal 7, 6, and 13 respectively, what is the value of x?

OpenStudy (anonymous):

OpenStudy (anonymous):

There's really more information than you need, that's the trouble. For the segment AB, you have 2x - 3 = 7. Just solve that for x.

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