</span><span><u>Explanations
</u> </span><span>Expression is a mathematical statement that contain variables like a and b combined by operational signs. This sign can be ×,÷,+,-etc
A number like 19 has so many expression, for example we have;
10+9=19
57÷3=19
34-15=19
We can have as many expressions as possible. They are actually infinite. </span></span>
First: You add 3 to each side. Second: You multiply each side by 3. Third: You gaze in wondrous amazement at the answer, which lies revealed before you on the page.
