Explicación paso a paso:
[tex]x + 15 = 30 \\ [/tex]
[tex]x = 30 - 15 \\ [/tex]
[tex]x = 15 \\ [/tex]
Comprobamos:
[tex]15 + 15 = 30 \\ [/tex]
Saludos.
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Explicación paso a paso:
Ecuación:
[tex]x + 15 = 30 \\ [/tex]
[tex]x = 30 - 15 \\ [/tex]
[tex]x = 15 \\ [/tex]
Comprobamos:
[tex]15 + 15 = 30 \\ [/tex]
Saludos.