(-15+7)+(-18)=-15+(7+(-18)
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Answered by
0
Answer:
-15+7-18=-15+7-18= -26
Answered by
3
Answer:
(-15+7)+(-18)= -15+(7+(-18)
-8+(-18)= -15+(-11)
-8-18=-15-11
-26=-26
hence,verified.
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