Respuesta:
-11
Explicación paso a paso:
-b + 2a
-(7) + 2·(-2)
-7 + (-4)
-7 -4
a= -2
b=7
-b+2a= -7 + 2(-2)
-7 + -4= -11
RPTA: -11
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Verified answer
Respuesta:
-11
Explicación paso a paso:
-b + 2a
-(7) + 2·(-2)
-7 + (-4)
-7 -4
-11
Respuesta:
-11
Explicación paso a paso:
a= -2
b=7
-b+2a= -7 + 2(-2)
-7 + -4= -11
RPTA: -11