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x=14/2
x=7
2)9x-7x=6-8
2x=-2
x= -1
3)4x-3x=5-3
x=2
4)7x-9x=3-9
-2x=-6
x=-6:-2
x=3
5) x-2x=-11+8
-x=-3
x=3
6) x-2x=-7-1
-x=-8
x=8
7)6x-8x=4-6
-2x=-2
x=1
8)9x-5x=17-9
4x=8
x=8:4
x=2
9) 2x-3x=-3
-x=-3
x=3
10)-2x-3x=20-25
-5x=-5
x=1
11)4x-3x=3-1
x=2
12)5x-10x=-6+3
-5x=-3
x=-3/-5
x/3/5