QUESTION IMAGE
Question
pregunta 2
the sum of three consecutive even integers is 12. let x represent the first integer, x+2
represent the second integer, and x+4 represent the third integer.
which equation can be used to find the first integer?
○ 2x + 6 = 12
○ 3x = 2x + 6
○ 3x + 6 = 12
○ 3x + 12 = 2x + 6
Step1: Sumar los enteros
Los tres enteros consecutivos pares son \( x \), \( x + 2 \) y \( x + 4 \). Su suma es \( x+(x + 2)+(x + 4) \).
Step2: Simplificar la suma
Al simplificar \( x+(x + 2)+(x + 4) \), combinamos términos: \( x+x+x+2 + 4=3x+6 \).
Step3: Igualar a 12
Dado que la suma es 12, la ecuación es \( 3x + 6=12 \).
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\( 3x + 6 = 12 \) (la tercera opción, es decir, la opción con la ecuación \( 3x + 6 = 12 \))