exam
Maths Puzzle
Numerical Ability
The length of a rectangle is four less than three times the width. The area is 20 square centimeters. Find the dimensions of the rectangle.
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exam Other Question
solve each system of equations.
2x-y=2z=15
-x+y+z=3
3x-y+2z=18
(1/(x-4)-(5/(x+2)= (6/(x^-2x-8)