Question

using properties please solve this question
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Answer 1

Answer:

(1/7){(-6/5)-(1/3)-(9/5)}

(1/7){-6/5-9/5-1/3}

(1/7){-15/5-1/3}

(1/7)(-3-1/3)

(1/7)(-10/3)=-10/21