<span>12=-2(x+8) ----------- Simplify and flip </span>12=-<span>2<span>(x+8<span>) </span></span></span>12=<span>(-2)(x)+<span>(-2)<span>(8<span>) </span></span></span></span>12=-2x+-16 12=-<span>2x-<span>16 </span></span>-2x-16=<span>12 </span>------------- Add 16 on each side <span><span>-2x-16</span>+16</span>=<span>12+16 </span><span><span>-2x</span></span>=<span>28 </span>----------------- Now, divide each side by -2 -2x ÷ -2 = 28 ÷ -2 x = -14