exam
Maths Puzzle
Numerical Ability
|x-y|+6(4x-|-6+y|) when x=-2 and y=3/2
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exam Other Question
Factor these ?
4x^2 -12x -40
2x^2 -16x +30
how do i solve
5x+2y=4
3x+4y+2z=6
7x+3y+4z=29