Respuesta:
100 Espero que te sirva :)
Explicación paso a paso:
[tex]2x - 78 = 122[/tex]
[tex]2x = 122 + 78[/tex]
[tex]2x = 200[/tex]
[tex]x = \frac{200}{2} [/tex]
[tex]x = 100[/tex]
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Verified answer
Respuesta:
100 Espero que te sirva :)
Explicación paso a paso:
[tex]2x - 78 = 122[/tex]
[tex]2x = 122 + 78[/tex]
[tex]2x = 200[/tex]
[tex]x = \frac{200}{2} [/tex]
[tex]x = 100[/tex]