<h3>
3y ➖15 = y ➕ 1</h3>
<em>We move all terms to the left:</em>
<h3>3y ➖ 15 ➖ (y ➕ 1) = 0</h3>
<em>We get rid of the parentheses.</em>
<h3>3y ➖ y ➖ 1 ➖ 15 = 0</h3>
<em>We add all the numbers and all the variables.</em>
<h3>2y ➖ 16 = 0</h3>
<em>We move all terms containing y to the left side, all other terms to the right side</em>
<h3>2y = 16</h3><h3>y = 16/2</h3><h3>y = 8</h3>