SOLUTION: solve the system using the substution method 2x-6y=-4 7x+y=25 solution (?/22,39/?)

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Question 208496: solve the system using the substution method
2x-6y=-4
7x+y=25
solution (?/22,39/?)
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2x-6y=-4
7x+y=25 or y=25-7x
2x-6(25-7x)=-4
2x-150+42x=-4
44x=-4+150
44x=146
x=146/44
x=73/22 ans.
y=25-7*73/22
y=25-511/22
y=(25*22-511)/22
y=(550-511)/22
y=39/22 ans.
solution (73/22,39/22)