SOLUTION: im having trouble with this problem please answer it for me!!!! for problems 7-9 solve the system of equations using addition to eliminate one variable. if the system has no sol

Question 243450: im having trouble with this problem please answer it for me!!!!
for problems 7-9 solve the system of equations using addition to eliminate one variable. if the system has no solution indicate that it is inconsistent. if it has infinite solutions, indicate that it is dependent. if the system check your answer.
x+y=3
2y=10-2x
check if possible!!
please please help!!
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
x+y=3
2y=10-2x --> 2x+2y = 10 --> x+y=5
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x+y can't be both 3 and 5 --> inconsistent, no solution
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