SOLUTION: Without graphing, decide whether the system has one solution, no solution, or an infinite number of solutions. Make sure to explain your answer for credit. x + y = 4 2x + 2y

Algebra ->  Graphs -> SOLUTION: Without graphing, decide whether the system has one solution, no solution, or an infinite number of solutions. Make sure to explain your answer for credit. x + y = 4 2x + 2y       Log On


   

Question 946879: Without graphing, decide whether the system has one solution, no solution, or an infinite number of solutions. Make sure to explain your answer for credit.

x + y = 4
2x + 2y = 8
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
If you multiply the first equation by 2, you get the second equation.
SO they are the same equation.
There are an infinite number of solutions.