exam Maths Puzzle Numerical Ability

solve 4^2x-3 = 1/16

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exam Other Question

The length of a rectangle is three times the width. If the length is increased by 4 feet and the width is decreased by 1 foot, the area will be increased by 24 square feet. What are the dimensions of the original rectangle? Evaluate the expression for the given value of the variable.
2
3x - 6x +9


x=-2