Respuesta:
5x+4=3-4(x+2)
5x+4= -1(x+2)
5x+4= -x -2
5x+x= -2 -4
6x = -6
x = -6
-6
x= -1
comprobación
5( -1)+4=3-4(-1+2)
-5+4 = -1(-1+2)
-1 = 1-2
-1 = -1
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Respuesta:
5x+4=3-4(x+2)
5x+4= -1(x+2)
5x+4= -x -2
5x+x= -2 -4
6x = -6
x = -6
-6
x= -1
comprobación
5( -1)+4=3-4(-1+2)
-5+4 = -1(-1+2)
-1 = 1-2
-1 = -1