The sum of three consecutive even integers is 126. 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?
3x = 2x + 6
3x + 126 = 2x + 6
2x + 6 = 126
3x + 6 = 126
2 answers:
Answer:

Step-by-step explanation:
Let x represent the first even integer
Let x + 2 represent the second even integer
Let x + 4 represent the third even integer
Now we are given that The sum of three consecutive even integers is 126.
ATQ


So, Option D is correct.
So, equation can be used to find the first integer is 
X = 1x
1x + 1x+ 2 +1x + 4 = 126
rearrange
1x+1x+1x+2+4=126
3x+6=126
3x +6=126
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