exam
Maths Puzzle
Numerical Ability
What is the meaning of one star in algebra.
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exam Other Question
solve using cramers rule:
2x-3y-3z=25
3x+1y-1z=-5
5x-2y-4z=32
I am very confused with this problem...please help!
solve by substitution method:
x=y+3
3x-2y=4