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2x=10-6
2x=4/:2
x=2
b) 3x-3+2=8
3x-5=8
3x=8+5
3x=13/:3
x=4 ⅓
c) 26-2x-9=1
-2x=1-26+9
-2x=-16/:(-2)
x=8
d) 3-3x+2=-7
-3x=-7-3-2
3x=-12/:(-3)
x=4
e) 3x+9=2x+8+x+1
3x-2x-x=8+1-9
0=0
f) 12x+8+10x+15=-2x-13
12x+10x+2x=-13-8-15
24x=-36/:24
x=-1,5
g)4x-8-2x+8=5x+5-3x
4x-2x-5x+3x=5+8-8
0=5
h) 2x-8=4x-2+6x+6
2x-4x-6x=-2+6+8
-8x=12/:(-8)
x= -1,5