Hello there!! Here are the steps to your math problem.
<span>57=<span>3u</span></span>Step 1: Flip the equation.<span><span>3u</span>=57</span>Step 2: Divide both sides by 3.<span><span><span><span><span>3u/</span>3</span></span></span>=<span><span><span>57/3</span></span></span></span><span>u=<span>19</span></span>Hope this helped and have a fantastic day!