exam Maths Puzzle Numerical Ability

graphing 3x-2y=6 and x+y=2

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exam Other Question

(x/4) = 2 + (x-3/3) x+1/x+4 > or equal to 0 or x+1 divided by x+4 >or equal to 0

I need the answer in interval notation and integers and fractions are to be used for any number in the expression.