Solve for x 6 x − 9 = 2 x + 7 can u plz help me
1 answer:
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Answer:70
Step-by-step explanation:
Given
total of 7 friends need to be divided in two groups with 3 member each and 1 leader
leader can be chosen out of 7 person in ways
And 3 person out of remaining 6 persons in ways
thus a total of ways is possible
If order is not matter then
ways are possible