Question

answer is 31x+y=91 i want process ​

Answer 1

Answer:

93x+15y-12=0

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Answer 2

given equation

93x=12-15y

on dividing this equation with 3 by both side,we have,

31x=4-5y

on rearranging the equation,

31x-4+5y=0

i.e., 31x+5y-4=0

hence proved..