jjj23
jjj23
17-11-2015
Mathematics
contestada
If 7x+5=-2 find the value of 8x
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Tyko
Tyko
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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