Question

зу
11) 3 (x+6) + 2(x
2x+
). The sum of three consecutive number is 84.Find the number.
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Answer 1

The sum of three consecutive number is 84.Find the number.

Answer :

x+(x+1)+(x+2) = 84

3x + 3 = 84

3x = 84 - 3 = 81

X = 81 ÷ 3 = 27

the numbers are 27,28,29

3 (x+6) + 2(x+2x) = (3x + 9) + 6x

= 9x + 9