Let's simplify step-by-step.<span><span><span>a+7b</span>−<span>10ab</span></span>+a</span><span>=<span><span><span><span>a+7b</span>+</span>−<span>10ab</span></span>+a</span></span>Combine Like Terms:<span>=<span><span><span>a+7b</span>+<span>−<span>10ab</span></span></span>+a</span></span><span>=<span><span><span>(<span>−<span>10ab</span></span>)</span>+<span>(a+a)</span></span>+<span>(7b)</span></span></span><span>=<span><span><span>−<span>10ab</span></span>+2a</span>+7b</span></span>Answer:<span>=<span><span><span>−<span>10ab</span></span>+2a</span>+7b</span></span>
