Check the following for equality and if they are equal, mention the property: (8 - 13) `xx` 7 and 8 - (13 `xx` 7)

Check the following for equality and if they are equal, mention the property: [(-6) - (+8)] xx 4 and (-6) - [8 xx (-4)]

Check the following for equality and if they are equal, mention the property:3 xx [(-4) + (-10)] and [3 xx (-4) + 3 xx (-10)]

Check the following for equality: (11+7) + 10 and 11 + (7+10)

Check the following for equality: (8-13) xx 7 and 8 - (13 xx 7)

Are (11 + 7) + 10 and 11 + (7 + 10) equal? Mention the property