Question

Subtract the sum of (-81) and( -18) from the sum of (-33), 50 and (-17)

Answer 1

Dear student
$$\begin{gathered} -81+\left(-18\right) \\ =-81-18 \\ =-\left(81+18\right) \\ =-99 \\ \mathrm{and} \\ -33+50+(-17) \\ =-50+50 \\ =0 \\ \mathrm{So},0-\left(-99\right) \\ =99 \end{gathered}$$
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