Question

PORFAVOR ME RESUELVEN ESTA PREGUNTA
Expresión Valor de x Razonamiento
9 − x = 1
10 − x = 3
10 − 2x = 4

Answer 1

9 - x = 1

- x = 1 - 9

- x = - 8

x = 8
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10 - x = 3

- x = 3 - 10

- x = - 7

x = 7
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10 - 2x = 4

- 2x = 4 - 10

- 2x = - 6

x = -6/-2

x = 3