Start by simplifying both sides of the equation.<span><span>3+<span>x2</span></span>=10</span><span>Simplify:</span><span><span><span><span>12</span>x</span>+3</span>=10 </span> Subtract 3 from both sides.<span><span><span><span><span>12</span>x</span>+3</span>−3</span>=<span>10−3</span></span><span><span><span>12</span>x</span>=7</span>Multiply both sides by 2.<span><span>2*<span>(<span><span>12</span>x</span>)</span></span>=<span><span>(2)</span>*<span>(7)</span></span></span><span> your answer is x=<span>14</span></span>