Question

$- \frac{y}{8} - \frac{1}{2} + \frac{2y}{5} + \frac{ 1}{4}$
como resolver essa equação ​

Answer 1

Resposta:

$-\frac{y}{8}+\frac{2y}{5}\:-\frac{1}{2}+\frac{1}{4}\\\\\\\\mmc\\\\8 \,e\, 5\\\\\frac{-y+2y}{40} =  \frac{-5y+16y}{40} =\frac{11y}{40}\\\\-\frac{1}{2}+\frac{1}{4}\\\\mmc \,\,\frac{-1+1}{4} =  \frac{-2+1}{4}  = -\frac{1}{4} \\\\logo // equacao //fica \\\\\\Resposta:\frac{11y}{40}-\frac{1}{4}$

Explicação passo-a-passo:

Answer 2

Resposta:

y = 10/11

Explicação passo-a-passo:

-y/8 -1/2 +2y/5 + 1/4 = 0

2y/5 - y/8 = 1/2 - 1/4

( 16y -5y)/40 = 1/4

11y = 40/4

11y = 10

y= 10/11