exam Maths Puzzle Numerical Ability

Solve the following inequality for x. Express your answer in interval notation. Show your algebraic steps.

2x - (7 + X) is greater than or equal to x

Sorry I goofed on the

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exam Other Question

A mat in a frame has an opening for a photograph a=3. Find the are of the mat if the area of the opening is given by A=pie times ab. a=3. b=4x-2. Leave your answer in terms of pie Hi! This is the question:
Is U= The set of all polynomials in P3 with constant term 0, a subspace of P3?

I said yes because 0 lies in U, the addition of any 2 polynomials from