The sum of three numbers is 85. the second is 7 more than the first. the third is 2 more than four times the second. find the numbers. bittinger, marvin l.; ellenbogen, david j.; johnson, barbara l.. elementary and intermediate algebra: concepts and applications (page 544). pearson education. kindle edition.

Let first number be x

1st number = x

2nd number = x + 7

3rd number = 4(x+7) + 2

Sum of 3 numbers is 85

x + x + 7 + 4(x+ 7) + 2 = 85

x + x + 7 + 4x + 28 + 2 = 85

6x + 37 = 85

6x = 48

x = 8

1st number = x = 8

2nd number = x + 7 = 8 + 7 = 15

3rd number = 4(x + 7) + 2 = 4 (8 + 7) + 2 = 62

The 3 numbers are 8, 15 and 62

8, 15, 62! hope this helps

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