Question

El valor de z en
$\frac{2}{z - 1} + \frac{2}{5} = \frac{4}{z - 1} es$
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Answer 1

$\frac{2}{z-1}+ \frac{2}{5} =\frac{4}{z-1}$

mcm = 5(z-1)

5(2) + 2(z-1) = 5(4)

10 + 2z - 2 = 20

2z + 8 = 20

2z = 20 - 8

2z  = 12

z = 12/2

z = 6

Eternamente axllxa