exam Maths Puzzle Numerical Ability

I need to know how to simplify these type of problems out:
3x+2 is equal or lesser to 4x+1

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exam Other Question

The surface area of a rectangular prism is 52 ft squared.What is the surface area of a similar prism that has a scale factor of 7? hello, can you help me to solve this question?
x^2+9>0
thank you