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2x-x=-5+4
x=9
3x+5=4x-6
3x-4x=-5-6
-x=-11/:(-1)
x=11
-2x-4=-3x+1
-2x+3x=1+4
x=5
x+4=2x-3
x-2x=-3-4
-x=-7/:(-1)
x=7
3x+5=4x-6
3x-4x=-5-6
x=11
Spr: 3*11+5=4*11-6
38=38
-2x-4=-3x+1
-2x+3x=1+4
x=5
x+4=2x-3
x-2x=-3-4
x=7
Spr: 7+4=2*7-3
11=11