macroller128 macroller128

20-08-2021
Mathematics

contestada

2(x+1) = -8x +8(x-2)
x=?
4(7+2x)=-2(x+4)+4x
x=?

Respuesta :

Witcher3 Witcher3

20-08-2021

Hi ;-)

Equation 1°

[tex]2(x+1)=-8x+8(x-2)\\\\2x+2=-8x+8x-16\\\\2x+8x-8x=-16-2\\\\2x=-18 \ \ /:2\\\\\huge\boxed{x=-9}[/tex]

Equation 2°

[tex]4(7+2x)=-2(x+4)+4x\\\\28+8x=-2x-8+4x\\\\8x+2x-4x=-8-28\\\\6x=-36 \ \ /:6\\\\\huge\boxed{x=-6}[/tex]

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