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x+1 - 2+4x = 5x-5
x+1-2-4x=5x-5
aqui x-4x-5x=-5+2-1
-8x=-4
x=-4/-8
x=0.5 aquí te la escribo vale
3x-7x+35x=8x-36x-9x-3
3x-7x+35x-8x+36x+9x=-3
-11x=-3
x=-3/-11