Question

Reduza a termos semelhantes a) x+5x+8x = b)3/4Y +2/3Y- 1/6Y =

Answer 1

Resposta:

$a)~x+5x+8x=(1+5+8)x=14x\\ \\ b)~\frac{3}{4y}+\frac{2}{3y} -\frac{1}{6y}\\ \\ mmc=12y\\ \\ \frac{(3.3)+(4.2)-(2.1)}{12y} =\frac{9+8-2}{12y} =\frac{15}{12y} =\frac{5}{4y}$