exam Maths Puzzle Numerical Ability

2x^2-x^3 x=-3

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exam Other Question

Is there an easy way to find the slope of a line whose function is stated as an inequality of y=m+b? For example: 5(x+y)=20+3x How would this be put into y=mx+b form? 1/3 + (-5/6) + (-1/2) OK I have no idea about these at all. The parenthesis are actually "longer" than a normal parenthesis. I have read all about these and nothing is sinking in for some reason, can someone help me please?