Are the following equal?$( -8)+( -9)$ and $( -9)+( -8)$.

Given: $( -8)+( -9)$ and $( -9)+( -8)$.

To do: To check whether $( -8)+( -9)$ and $( -9)+( -8)$ are equal.

Solution:

$L.H.S.=( -8)+( -9)=-8-9=-17$

$R.H.S.=( -9)+( -8)=-9-8=-17$

$L.H.S.=R.H.S.$

Thus, $( -8)+( -9)$ and $( -9)+( -8)$ are equal.

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Updated on: 10-Oct-2022

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