exam Maths Puzzle Numerical Ability

This is not from a texbook. How would you graph the following system of inequalities?

y<= x-3
3x+y<=1

Thanks!

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exam Other Question

I have a couple quick questions.

1.)Divide (30b^3+20b^2+25b+41)/(5b+5)

2.)Subtract and simplify (7-x/x-6)-(7x-9/6-x)
I got 6x-2/x-6 is theis correct or does it simplify even If John cleans a house in 8 hours and Julie cleans a similar house in 6 hours, how long should it take them to clean another similar house working together?