16x/6
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6x/23
7 subtracted from the quotient of a number and 2 is a -6
The expression for the quotient of 4 and a number x increased by 6 is (4/x) + 6. To simplify this expression, you would first divide 4 by x to get 4/x, then add 6 to the result. The final expression represents the quotient of 4 and x with an additional 6 added to it.
0.5
The gaps are 5, 10, 15, 20, ..... The rule becomes add 5(n-1) to the previous number So that the second number is found by adding 5 times (2-1) to 1 = 5+1 = 6 and the third number is found by adding 5 times (3-1) to 6 = 10+6 = 16 and the fourth number is found by adding 5 times (4-1) to 16 = 15+15 = 31 and so on....