Question

Add the following expressions using column method:

$18a-10b,-2a+12b,-10a+6b$

Answer 1

Adding the given expressions:

Here each expression is written in a separate row such that the like terms are arranged one below the other. Then the addition of terms is carried out:

$$\begin{gathered} 18a-10b \\ -2a+12b \\ -10a+6b \\ \overline{\underline{6a+8b}} \end{gathered}$$

Hence, $18a-10b,-2a+12b,-10a+6b$ sums to $6a+8b$