Question 263760
-/ = sqrt

1. 7+ -/(2x - 1) = 10
Multiply everything by (2x-1)
7(2x-1)+(2x-1)=10(2x-1)
14x-7+2x-1=20x-10
16x-8=20x-10
-8=4x-10
2=4x
1/2=x


3. -/(2x - 1) = x - 8 
 Multiply everything by (2x-1)
(2x-1)=(x-8)(2x-1)
2x-1=2x^2 -17x -9
0=2x^2 -19x -8
*[invoke quadratic "x", 2, -19, -8]