Question

решите уравнение а) 2х - 25/4= 3/4х+ 15/2

Answer 1

2x-3/4x=15/2+25/4
(8x^2-3)/4x=30/4+25/4
2x-3=55/4
2x=55/4+12/4
2x=67/4
x=67/4:8/4=67/4*4/8=67/8
x=8,375