Question

qual o valor de y na equação: 3y/2-(y-5)/3=1+(2y-4)/4?

Answer 1

Resposta:

3y/2-(y-5)/3=1+(2y-4)/4

18y-4(y-5)=12+ 3(2y-4)

18y-4y+20=12+6y-12

14y-6y= 12-20-12

8y= -20

y= -20/8

y= -5/2

S={-5/2}

MMC(2,3,4)= 12

2,3,4| 2

1,3,2| 2

1,3,1| 3

1,1,1