<span><span><span><span>Hi there (: I hope this helps: </span></span></span> </span>Step 1: Simplify both sides of the equation.<span><span><span><span>x+10</span>+<span>3x</span></span>+2</span>=180</span><span><span><span>(<span>x+<span>3x</span></span>)</span>+<span>(<span>10+2</span>)</span></span>=180</span> (Combine Like Terms)<span><span><span>4x</span>+12</span>=180</span><span><span><span>4x</span>+12</span>=180</span> Step 2: Subtract 12 from both sides.<span><span><span><span>4x</span>+12</span>−12</span>=<span>180−12</span></span><span><span>4x</span>=168</span> Step 3: Divide both sides by 4.<span><span><span>4x/</span>4</span>=<span>168/4</span></span><span> x=42</span>