Question

fine -30 + ( -25) + 72

Answer 1

Find:

$-30+(-25)+72$

step 1: open the bracket,

$-30-25+72\text{ , note that (}+\times-=-)$

step 2: simplify step-wise

$\begin{gathered} -30-25=-55 \\ -55+72=17 \end{gathered}$

The answer is 17