5.(x+12)+22=92 => 5.(x+12) = 70 => x + 12 = 14 => x = 2
3.(x+23)+6=96 => 3.(x+23) = 90 => x+23 = 30 => x = 7
95-5.(x+2)=45 => 5.(x+2) = 50 => x+2 = 10 => x = 8
155-10.(x+1)=55 => 10.(x+1) = 100 => x+1=10 => x = 9
15x-133=17 => 15x = 150 => x = 10
17x-20=14 => 17x = 34 => x = 2
14x+54=82 => 14x = 28 => x = 2
(x-105):21=15 => x-105 = 315 => x = 420
2448:[119-(x-6)]=24 => 119-(x-6) = 102 => x-6=17 => x = 23
(4x+5):3-121:11=4 => (4x+5):3 - 11 = 4 => (4x+5):3 = 15 => 4x+5 = 45 => 4x = 40 => x = 10
5x-x=84 => 4x = 84 => x = 21
HỌC TỐT :D
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