Solve the following using properties.
a) [(-12)+5]+(-8)
b) -20 ? (7 ? 11)
c) ( - 35 ) ? ( - 97)
d) 54 ? (-72) + ( -72) ? (-44)
e) ( -97) ? 4 ? 10 ? (-25)
Solution
a) [(- 12) + 5] + (- 8)
Solving the first bracket
= [ - 12 + 5] + (- 8)
= - 7 + (- 8)
= - 7 - 8
= - 15
Remaining parts are unclear and appears to be incomplete. Recheck your question and please be little specific about the ? sign to which you are referring here so that we can provide you with some meaningful help.
a) [(- 12) + 5] + (- 8)
Solving the first bracket
= [ - 12 + 5] + (- 8)
= - 7 + (- 8)
= - 7 - 8
= - 15
Remaining parts are unclear and appears to be incomplete. Recheck your question and please be little specific about the ? sign to which you are referring here so that we can provide you with some meaningful help.