SOLUTION: please solve and show process for: 2/7x-1/2x=3/4x+1

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: please solve and show process for: 2/7x-1/2x=3/4x+1      Log On


   

Question 12405: please solve and show process for:
2/7x-1/2x=3/4x+1
Answer by slksil001(7) About Me  (Show Source):
You can put this solution on YOUR website!
2/7x-1/2x=3/4x+1
multiply by2x
2*2x/7x-1=3/4x+1
cross multiply:
4x(4x+1)=3(7x-1)
16x^2+4x = 21x-3
16x^2-17x+3 = 0
x=%2817%2B-+sqrt%2817%5E2-4%2A16%2A3%29%29%2F%282%2A16%29
x=17%2B-sqrt%2897%29%29%2F%2832%29