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acomodando términos
2x-x+3x=8-3-1
4x=4
despejando x
x=4/4
x=1
Saludos, espero haberte ayudado!
=2x-(x-1):x+1
=8-(3x+3): -3x+5
=x+1=-3x+5
x=-3x+4
x+3x=-3x+4+3x
4x=4
x=4sobre4
[email protected] x=1 :3 :p