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6x-3x=16+4
3x=20
x=20/3=6i2/3
b) 8-2x-16=7x-10x-22
-2x-7x+10x=-8+16-22
x=-14
c) 3x/9+33/9=4x/9-18/9-6x/9
5x/9=-51/9
5x=51
x=51/5=10i1/5
d) -21,11x-3,37x-1,17x=1,06-0,02
-24,65x=-1,08
x=108/2465
e) 5(x-3)/20-4(3x-1)/20+11x+8/20=48x-32/20
(5x-12x+11x-48x)/20=(15-4-8-32)/20
-44x/20=-29/20
-44x=-20
x=5/11
f) x^2-2x+1+14=(x-2)/3+x^2-36
-6x-3+42=x-2+108
-6x-x=3-42-2+108
-7x=(-67)
x=67/7=9i4/7