Tìm x biết: 55 -10 . (x +1) =55, 5(x + 12) +22 = 92, 3( x +23) +6 = 96, 2 mũ 2 ( x + 3^2) + 5 = 55, 7 ( x +5^2) - 20 = 190

k) 155 -10 . (x +1) =55
l) 5 (x + 12) +22 = 92
m) 3( x +23) +6 = 96
n) 2^2 ( x + 3 ^2) + 5 = 55
o) 7 ( x +5 ^2) - 20 = 190