Respuesta:
[tex]\boxed{3\text{x}-\left[-2\text{x}+8\text{y}\right]+\left\{8\text{y}-3\text{x}\right\}}[/tex]
[tex]\mathrm{Eliminamos \ parentesis:}[/tex]
[tex]3x-\left(-2x+8y\right)+8y-3x[/tex]
[tex]-\left(-2x+8y\right)=-\left(-2x\right)-\left(8y\right)[/tex]
[tex]2x-8y[/tex]
[tex]3x+2x-8y+8y-3x[/tex]
[tex]\mathrm{Agrupamos \ terminos \ y \ sumamos:}[/tex]
[tex]3x+2x-3x-8y+8y[/tex]
[tex]3x+2x-3x=2x[/tex]
[tex]-8y+8y=0[/tex]
Solución:
[tex]\boxed{\mathrm{Respuesta: \ 2x}}[/tex]
Saludos...
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Respuesta:
[tex]\boxed{3\text{x}-\left[-2\text{x}+8\text{y}\right]+\left\{8\text{y}-3\text{x}\right\}}[/tex]
[tex]\mathrm{Eliminamos \ parentesis:}[/tex]
[tex]3x-\left(-2x+8y\right)+8y-3x[/tex]
[tex]-\left(-2x+8y\right)=-\left(-2x\right)-\left(8y\right)[/tex]
[tex]2x-8y[/tex]
[tex]3x+2x-8y+8y-3x[/tex]
[tex]\mathrm{Agrupamos \ terminos \ y \ sumamos:}[/tex]
[tex]3x+2x-3x-8y+8y[/tex]
[tex]3x+2x-3x=2x[/tex]
[tex]-8y+8y=0[/tex]
Solución:
[tex]\boxed{\mathrm{Respuesta: \ 2x}}[/tex]
Saludos...