Question

sum of two consecutive multiples of 7 is 168. the multiples are 77,84 ? it is true or false

Answer 1

it correct answer is false..

Answer 2

7x + 7(x+1) = 168
14x +7 = 168
14x = 168 - 7
14x = 161
x = 161/14 = 11.5

7x= 7*11.5= 80.5
7(x+1) = 7*12.5 = 87.5

So it is false.