Respuesta:
2a - b
Explicación paso a paso:
[tex]2a + (a - (a + b)) \\ 2a + (a - a - b) \\ 2a + ( - b) \\ 2a - b[/tex]
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Verified answer
Respuesta:
2a - b
Explicación paso a paso:
[tex]2a + (a - (a + b)) \\ 2a + (a - a - b) \\ 2a + ( - b) \\ 2a - b[/tex]