Question

5x+4y-23=0 x+9=6y Find the value of x &y by substitution method .

Answer 1

Answer:

5x+4y-23=0

x+9=6y

now, in second equation find x

x=6y-9

now, substitute in 1 equation

5(6y-9) +4y=23

30y-45+4y=23

34y=68

y=2

now, put in 2nd equation

x+9=6(2)

x=12-9

x=3

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