exam
Maths Puzzle
Numerical Ability
�6 + 7(x � 1) = 2x + 5(x � 6) � 4
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sove the inequality write answer in interval notation
x^2-9
------ >0
x^2-12x+11
the qreater than sign has a line underneath should say greater than or less than
solve the system:
{x+5y-z=4
{3x+4y+z=4
{x-y+z=0.
thanks for the help.
