Question

-2x+1sobre4 _ x+5sobre5=-x-1sobre10

Answer 1

Bom dia Samira

(-2x + 1)/4 -  (x + 5)/5 = (-x - 1)/10

mmc(4,5,10) = 20

5*(-2x + 1) - 4*(x + 5) = 2(-x - 1)

-10x + 5 - 4x - 20 = -2x - 2

-12x = 13

x = -13/12