Respuesta:
2-(1+x)=3+X
X = -1
eso seria
2-1-x=3+x
1-x=3+x
1-x-x=3
-2x=3-1
-2÷2= -1
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Verified answer
Respuesta:
2-(1+x)=3+X
X = -1
eso seria
2-1-x=3+x
1-x=3+x
1-x-x=3
-2x=3-1
-2÷2= -1