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2x-6x=9-6
-4x=3
x=-3/4
6x=5
x=5/6
5x+2=3
5x=3-2
5x=1
x=1/5
9x+5x=4
14x=4
x=4/14
2x-6x=9-6
-4x=3 /:(-4)
x=-3/4
6x=5 /:6
x=5/6
5x+2=3
5x=3-2
5x=1 /:5
x=0,2
9x+5x=4
14x=4 /:14
x=4/14
;]
2x+6=6x+9
2x-6x=9-6
-4x=3 /(-4)
x= - 3/4
2)
6x=5
x= 5/6
3)
5x+2=3
5x=3-2
5x=1 /:5
x= 1/5
4)
9x+5x=4
14x= 4 /:14
x= 4/14