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11. Find the value of n :( -8/9)" + (- 8/9)" = ( 8/9 ) can some one help me
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Answer:
9=1+(n-1)2
9=1+2n-2
9+2=1+2n
11-1=2n
10=2n
10/2=n
5=n
Step-by-step explanation:
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