If I'm correct your equation is 3x+50=<span>6x−<span>10 </span></span>Now we solve it --------------- Subtract 6x from each side <span>3x+50−6x</span>=<span>6x−10−<span>6x </span></span><span>−3x+50</span>=<span>−<span>10 </span></span>-------------------- Subtract 50 from each side <span><span><span>−3x</span>+50</span>−50</span>=−10−<span>50 </span>-3x = -60 ----------------------- Divide each side by -3 -3x ÷ -3 = -60 ÷ -3 x = 20