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x/6+2-5=3
x/6=3-2+5
x/6=6
x=6*6
x=36
b)x/3-1+20=16+8
x/3-1+20=24
x/3=24+1-20
x/3=5
x=5*3
x=15
c)5x-100=69-8x
5x+8x=69+100
13x=169
x=169/13
x=13
d)6x-18+2x=3x+17*6
6x-18+2x=3x+102
8x-3x=102+18
5x=120
x=120/5
x=24
e)3.(x+5)-2+1=48:3
3x+15-2+1=16
3-2x=16-15-1
x=0
f)(x-2).4+36=45.2+x+4
4x-8+36=90+x+4
4x-x=90+4+8-36
3x=66
x=66/3
x=22