7 - 5x + 2 ( x - 5 ) =
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the answer is x<2
good luck
From the picture you can see that TY bisects angle T.
Use the bisector property:
.
If YK=68 mm and VK=x mm, then VY=x-68 mm.
Then .
Express x-68:
mm.
Therefore, x=30+68=98 mm.
Answer: x=98 mm.