exam Maths Puzzle Numerical Ability

how do i find sloope of an equation that looks like this
X-2/3y=1/4

and
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.
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2X-5Y=0

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exam Other Question

5-3 on the outside of an absolute value bars with this euation inside the bars
-8-6. Looks like this 5-3|-8-6| I tried to do the inside firstand got -14 but when I got the outsid I have to solve the equation r + 5 = -1.

Can someone please help me?