Question

x+5y=22 and 2x-3y=-8 solve this by substitution method​

Answer 1

Answer:

x+5y=22

x=22-5y

substituting x=22-5y in equation 2

that is 2x-3y=-8

2(22-5y)-3y=-8

44-10y-3y=-8

13y=52

y=4

putting y=4 in equation 1

x+5(4)=22

x+20=22

x=2

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Answer 2

Answer:

x=22-5y(equation1)

put value of x in other equation

2(22-5y)-3y=-8

44-10y=-8

-10y=-8-44

10y=52

y=5.2

put value of y in equation 1

x=22-5(5.2)

x=22-26

x=-4