Question

-1/x+5=7/x-2 me ajude por favor

Answer 1

-1/x+5=7/x-2
-1/x - 7/x = -2 - 5
-8/x = - 7
-8 = -7x
7x = 8
x = 8/7

Answer 2

mmc=x

-1+5x=7-2x

5x+2x=7+1

7x=8

x=8/7


Resposta: x=8/7