Question

a) 2x/x+3: 4/5x
b) x+5/7: a/x-5
c) 2x/x-7: x-7/x
d) x+y/x+3: x-3/x-y​

Answer 1

Resposta:

2x/x + 3: 4/5x

Simplificando 2x/x temos:

x + 3 : 4/5x

x + 3.5x/4

x + 15x/4

MMC = 4

(4x + 15x)/4

19x/4

Explicação passo-a-passo: