Question

$- x + 4 = 5$
auxilio porfavor ​

Answer 1

Hola !!

$- x + 4 - 4 = 5 - 4 \\ \\ - x = 1 \\ \\ \frac{ - x}{ - 1} = \frac{1}{ - 1} \\ \\ x = - 1$

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