book
Maths Puzzle
Numerical Ability
Solve the system.
6y + w = -10
x + y + 3z - w = 13
6x + z + 3w = 14
x + y + 5z = 13
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book Other Question
What is the value of y^3+y^3 ?
is it 2y^3 or y^6?
solve by addition
2/3x - 1/2y=2
1/3x + 1/4y=3
thank you very much