Respuesta:
espero q te sirva
Explicación paso a paso:
x - ( - 9 + 2 - 1 ) = - ( - 4 + 3 )
x + 9 - 2 + 1 = 4 - 3
x +8 = 1
x = -7
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Respuesta:
espero q te sirva
Explicación paso a paso:
x - ( - 9 + 2 - 1 ) = - ( - 4 + 3 )
x + 9 - 2 + 1 = 4 - 3
x +8 = 1
x = -7