помогите срочно дам 95 б. 1) 7| x|-6| x |=1 2) 2| x|+3| x|=8 3)|-x|+4|-x|=9

1 ) 7 | x | -6 | x | = 1 ; | x | = 1 x = ± 1 2 ) 2 | x | +3 | x = 8 ; 5lxl = 8 ; _ | xl = 8 / 5 = 1.6 x = ± 1.6 3 ) | -x | + 41 - x = 9 ; X = = +1.8 X = +6 4 ) 51 - xl - 21 - xl = 18 ; 3l - xl = 18 ; l - xl = 18 / 3 = 6 X = = +0.3 4 | 2x = 2.4 ; 2x | +3 | 2x | = 2.4 ; 12x1 = 2.4 / 4 = 0.6 ; Ixl = 0.6 / 2 = 0.3 51 - x = 9 ; | -x = 9 / 5 = 1.8 6 ) 4 | 3x | +5 | 3x | = 8.1 ; 9 | 3x | = 8.1 ; | 3x | = 8.1 / 9 = 0.9 | xl = 0.9 / 3 = 0.3 x = ± 0.3

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