exam
Maths Puzzle
Numerical Ability
Unable to solve. Please help. Thanks. The additive inverse of a number divided by twelve is the same as one less than three times its reciprocal. Find the numbers.
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exam Other Question
I have a question regarding this problem
Need to write an algebraic expression then simplfy indicating the properties used.
This is the problem:
four times the sum of a and b increased by twice the sum of a and 2b
Thanks
x^2-1/x divide x+1/x-1
x^2-1/x divide x-1/x+1
=x^2/x ?