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Maths Puzzle
Numerical Ability
12x+16y=168
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Could someone please take the time to help me solve the question: Solve the following system of three linear equations: 2 x + y + z = 3, - x + 2 y + 2 z = 1 and x - y - 3 z = -6. N
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18.) Graph the linear inequality
-2x-4y<8 suppose to have a line under the <.