Explicación paso a paso:
[tex]x + 3(x - 1) = 6 - 4(2x + 3)[/tex]
[tex]x + 3x - 3 = 6 - 8x + 12[/tex]
[tex]x + 3x + 8x = 6 + 12+ 3[/tex]
[tex]12x = 21[/tex]
[tex]x = 1,75[/tex]
espero te sirva saludos*
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Explicación paso a paso:
[tex]x + 3(x - 1) = 6 - 4(2x + 3)[/tex]
[tex]x + 3x - 3 = 6 - 8x + 12[/tex]
[tex]x + 3x + 8x = 6 + 12+ 3[/tex]
[tex]12x = 21[/tex]
[tex]x = 1,75[/tex]
espero te sirva saludos*