Question 842298
It's possible to solve this.


Anything parallel to 3x + 7y = 10 is of the form 3x + 7y = C where C is some constant.


Now plug in (x,y) = (4,8)


3x + 7y = C


3(4) + 7(8) = C


12 + 56 = C


68 = C


C = 68


So the equation of the parallel line is <font color="red">3x + 7y = 68</font> (note: this is in standard form)