Question

Resolva as equações
2/3×=8 5/3×+2/8×=20 ​

Answer 1

Olá...

Resolução:

a)

2/3x = 8

3/2 × 2/3x = 3/2 × 8

x = 3 × 4

x = 12

b)

5/3x + 2/8x = 20

5/3x + 1/4x = 20⇒mmc = 12

20x + 3x = 240

23x = 240

x = 240/23

Bons estudos.