15) |x| = -1 16) |x| =|-5|
17)|x +3| = 0 18) |x- 1| = 4
19) |x – 5| = 10 20/ |x+4| = 5 – (-1)
21/3x – 10 = 2x + 13 22) x + 12 = -5 – x
23) x + 5 = 10 –x 24) 12 – x=-5-x
25) 2.(x-1) + 3(x-2) = x -4 26) (x – 1)3 - 2 = -10
Loga
Sinh Học lớp 12
