exam Maths Puzzle Numerical Ability

Solve the system:

2x + 4y = -8
3x + 2y = 0

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exam Other Question

How can you find a soultion for the this problem that make sense, instead of just saying it is not a square?

IRRATIONAL NUMBERS Solve the following inequality and list your solution using interval notation:
|-3x - 5| > 10