Slope-intercept form for equation 1 and 2

1  is the fist picture

2 is the second picture and if u calculate them both equals to 3 so that why the slope cross the same way  

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the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b