exam Maths Puzzle Numerical Ability

3<5x<=2x+11

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exam Other Question

how to write a power as a product of the same factor? Solve the equation. (If there are any unused answer boxes, enter NONE in the last boxes. If any real number is a solution, enter ANY in the answer boxes.)
|4x-5|-9=4
x = _-2__ (smaller value)
x = _4.5__ (larger value)