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6x= 1+21
x= 22:6
x=3
11x+5x-1=65x36
11x+5x-65x=36+1
65x-16x =37
44x = 37
x = 37:44
x= 7.
8x-4+3x=7x+x+14
8x+3x-8x=14+4
11x-8x=18
3x=18
x=18:3
x=6
8x+9-12x=4x-13-5x
8x-12x-4x-5x=13+9
6x=22
x=22:6
x=3
5y+6y+81=7y+102+65y
5y+6y-7y-65y=102-81
4y-65y=21
61y=21
y=21:61
y=2