- Given, Q is on line segment PR.
- QR = 2x + 4
- PQ = x
- PR = 4x - 10
- PQ + QR = PR
- or, x + (2x + 4) = 4x - 10
- or, 3x + 4 = 4x - 10
- or, 4 + 10 = 4x - 3x
- or, x = 14
- Therefore, PR = 4x - 10 = 4(14) - 10 = 56 - 10 = 46
Hope you could get an idea from here.
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