Question

3х-2/5 = 2х-3/4 решите уравнение

Answer 1

3x-2/5=2x-3/4. 12x-8=10x-15; 12x-10x= -15+8; 2x= -7; x= (-7)/2= -3,5. Ответ: x= -3,5.

Answer 2

3х - 2/5 = 2х-3/4  | * 20

60x - 2*4 = 40x - 3*5

60x - 40x = 8-15

20x = -7

x = -7/20