<p>To solve for x, we first distribute the 3:</p><p>3x - 12 + 5 = 8x - 7</p><p>Simplifying:</p><p>3x - 7 = 8x - 7</p><p>Now we can subtract 3x from both sides:</p><p>-7 = 5x - 7</p><p>Finally, we add 7 to both sides to get:</p><p>0 = 5x</p><p>So x = 0.</p>