Question

Respondam, monomio, só quem sabe
A) -1x-5x
3 3

B) x+3x-2x
2 5 5

Answer 1

veja...

$A)~~- \frac{1x}{3} - \frac{5x}{3} = \frac{-1x-5x}{3} =- \frac{6x}{3} =-2x \\ \\ B)~~ \frac{x}{2} + \frac{3x}{5} - \frac{2x}{5} = \\ \\ mmc(2,5)=10 \\ \\ \frac{5x+6x-4x}{10} = \frac{7x}{10}$