Respuesta:
2x + 5 = 18
restamos 5 de ambos lados
2x +5-5 = 18-5
despejamos x
2x = 13
x=13÷2
x= 6.5
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Respuesta:
2x + 5 = 18
restamos 5 de ambos lados
2x +5-5 = 18-5
despejamos x
2x = 13
x=13÷2
x= 6.5