Question

НАЙТИ СУММУ КОРНЕЙ УРАВНЕНИЯ!!!!

Answer 1

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Answer 2

$|2x - 7| = 6 \\ 2x - 7 = 6 \\ 2x - 7 = - 6$
2x = 13
2x = 1

x1 = 13/2
x2 = 1/2

x1+x2 = 13/2 + 1/2 = 14/2 = 7.