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Maths Puzzle
Numerical Ability
I am having some problem in sinplifying equetions
can you give me the general rule of that.
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book Other Question
Solve problem exactly
log 8 - log x = 2
Solve the system of equations. Describe what you are doing at each step in your solution process.
w+x+y+z=6
3w-x+y-z=3
2w+2x-2y+z+4
2W-x-y+z=-4