book Maths Puzzle Numerical Ability

- 3x - 5y + z = 2; 2x - z = 3; x + 2y + z = 8.

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book Other Question

one number is 12 more than another. the sum of the smaller number and twice the larger number is 39. find the larger number Question:
write each radical expression in simplified radical form.
Square root of 7/square root of 18. this is written as a fraction.
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