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( 2x - 1 ) + ( 2x + 1) + ( 2x + 3 ) = - 51 we solve pharenthesis
2x - 1 + 2x + 1 + 2x + 3 = - 51
6x + 3 = - 51
6x = - 51 - 3
6x = - 54
x = - 54 / 6
x = - 9
so 2x - 1 = 2 ( - 9 ) - 1 = - 18 - 1 = - 19
2x + 1 = 2 ( - 9 ) + 1 = - 18 + 1 = - 17
2x + 3 = 2 ( - 9 ) + 3 = - 18 + 3 = - 15
The three consecutive odd integer number are - 15 , - 17 , -19
if you procede the sum is - 51
Sorry if Inglish is not correct