If 7x+5=-2 find the value of 8x
7x + 5 = -2;
7x = -2 - 5;
7x = -7;
x = -1;
8x = 8*(-1) = -8;
\(7x+5=-2 \\ 7x=-2-5 \\ 7x=-7 \\ x=-1 \\ 8x=8* (-1) = -8 \\ \\ \\\huge\text{Answer : 8x=-8}\)