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Maths Puzzle
Numerical Ability
the additve inverse of a number divided by twelve is the same as one less than three times its reciprocal.
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please help me with the following :
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2^-3*a^-3/c(2a^3c - 8a^3/c^2)
thank you!
how do you answer 5x+14-2x=9-(4x+2) and what about (5/2)-x(x+1)=x(2-x) ?