Use the figure to write and solve an equation for x.
The answer is A. 11.
1. Apply the segment - addition postulate:
According to the segment - addition postulate, if , , and are collinear points, then .
Here, , , and . So the equation is .
2. Simplify the left - hand side of the equation:
Combine like terms: Click "Show Answer" to reveal the answer and analysis
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