Question

ME AJUDEM POR FAVOR.​

Answer 1

Resposta:

Explicação passo-a-passo:

20 a) 2x + 3y =

2(3/5) + 3(4/5) =

6/5 + 12/5 =

18/5.

b) 8x - 4y =

8(3/5) - 4(4/5) =

24/5 - 16/5 =

8/5.

c) x/2 - y/3 =

(3/5)/2 - (4/5)/3 =

3/10 - 4/15 =

mmc(10,15)=30

9/30 - 8/30 =

1/30.

d) 11x - 5y =

11(3/5) - 5(4/5) =

33/5 - 20/5 =

13/5.