37. Multistep equations

Algebra
Tutor: None Selected Time limit: 1 Day

Consecutive even integers are even whole numbers that follow one another. For example, 12, 14, and 16 are consecutive even integers. If the sum of three consecutive even intergers is 66, what are the integers? (HINT let x=1st number)

Equation:

1st number:

2nd number:

3rd number:

Jun 9th, 2015

Let the integers be 2x-2, 2x and 2x+2

so 2x-2+2x+2x+2 =66

               6x = 66

                x= 66/6 =11

So the middle number is 2x which is 2*11 = 22

Ist number = 22-2 =20

3rd number = 22+2 = 24

Please let me know if you have any questions and best me if you are satisfactory.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 9th, 2015

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