exam Maths Puzzle Numerical Ability

3 times the sum of twice a number and 6 is 4 times 2 less than the number. find the number.

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exam Other Question

Which of the following pairs of functions are inverse functions?
a. f(x)=3x-9, g(x)=-3x+9
b. f(x)=4-x, g(x)=4+x
c. f(x)=x+5, g(x)=x-5
d. f(x)=x, g(x)=-x If x = 10, the number 3,425 could be expressed as 3x^3 + 4x^2 + 2x + 5 and the number 215 could be expressed as 2x^2 + x + 5. If I divide 3,425 by 215 it will be equivalent to div