29-06-2017
Mathematics

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the sum of three numbers is 131. The second of three numbers is seven more than twice the first. The third number is 12 less than first . What equation can be used to solve the problem

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youislove youislove

06-07-2017

No. 1 = x
No. 2 = 2x+7
No. 3 = x-12

Answer:

x+(2x+7)+(x-12) = 131

From there you solve to get the numbers:

34, 75 and 22

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