SOLUTION: Three consecutive integer multiples of 7 have a sum of 126. What is the greatest?

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Question 934608: Three consecutive integer multiples of 7 have a sum of 126. What is the greatest?
Found 2 solutions by TimothyLamb, MathTherapy:
Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website!
z = y + 1
y = x + 1
7x + 7y + 7z = 126
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put the system of linear equations into standard form
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y - z = -1
x - y = -1
7x + 7y + 7z = 126
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = 5
y = 6
z = 7
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Answer by MathTherapy(10552) (Show Source):
You can put this solution on YOUR website!

Three consecutive integer multiples of 7 have a sum of 126. What is the greatest?

Largest multiple:
You can do the check!!
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