exam Maths Puzzle Numerical Ability

how do i write interval notations for the solution set and graph the solution

-2 less than 5x - 4 less than or = to 6

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exam Other Question

can you please help me solve and check this promblem: (((The sum of a number and its reciprocal is 10/3. What is the number?))) solve by completing the square. 4x²+2x-3=0