2x + 4 = 8
2x + 4 = 8 - 4
2x = 4
x = 4/2
x = 2
comprobemos remplazando "x"
2 ( 2 ) + 4= 8
Respuesta:
Resta
4
de ambos lados de la ecuación
2
+
=
8
2x+4=8
−
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Verified answer
2x + 4 = 8
2x + 4 = 8 - 4
2x = 4
x = 4/2
x = 2
comprobemos remplazando "x"
2x + 4 = 8
2 ( 2 ) + 4= 8
x = 2
Respuesta:
Resta
4
4
de ambos lados de la ecuación
2
+
4
=
8
2x+4=8
2
+
4
−
4
=
8
−
4