Question

Find - 34 + 21 - 39 - ( - 3 )

Answer 1

-49

Explanation:$-34\text{ + 21 - 39 -(-3)}$

Expanding the parenthesis:

$\begin{gathered} mu\text{ltiplication of asme sign gives a positive number:} \\ -34\text{ + 21 - 39 + 3} \end{gathered}$

simplify:

$\begin{gathered} =-34\text{ - 39 + 21 + 3} \\ -34\text{ - 39 = - 7}3 \\ 21\text{ + 3 = 24} \end{gathered}$$\begin{gathered} -39\text{ - 39 + 21 + 3 = -73 + 24}| \\ =\text{ }-49 \end{gathered}$