Answer:
x = 8
Step-by-step explanation:
The midsegment is half of GI , that is
2x - 7 = [tex]\frac{1}{2}[/tex] (x + 10) ← multiply both sides by 2 to clear the fraction
4x - 14 = x + 10 ( subtract x from both sides )
3x - 14 = 10 ( add 14 to both sides )
3x = 24 ( divide both sides by 3 )
x = 8
