Respuesta:
-3+x+4=-1-2
X=-1-2+3-4
x= 3-7
x=-4
Procedimiento:
[tex]-3+x+4=-1-2\\x-3+4=-1-2\\x+1=-1-2\\x+1=-3\\x+1-1=-3-1\\x=-4[/tex]
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Respuesta:
-3+x+4=-1-2
X=-1-2+3-4
x= 3-7
x=-4
Procedimiento:
[tex]-3+x+4=-1-2\\x-3+4=-1-2\\x+1=-1-2\\x+1=-3\\x+1-1=-3-1\\x=-4[/tex]