17-11-2015
Mathematics

contestada

If 7x+5=-2 find the value of 8x

Respuesta :

17-11-2015

7x + 5 = -2;

7x = -2 - 5;

7x = -7;

x = -1;

8x = 8*(-1) = -8;

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antonio9990 antonio9990

17-11-2015

[tex]7x+5=-2 \\ 7x=-2-5 \\ 7x=-7 \\ x=-1 \\ 8x=8* (-1) = -8 \\ \\ \\\huge\text{Answer : 8x=-8}[/tex]

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