Graph each system of equations. Then determine whether the system has no solution, one solution, or infinitely many solutions. If the system has one solution, name it.
y = x + 2
x - y = - 2
x - y = - 2 ................1
x - y = - 2 ...............2
Now multiply first equation by - 1 and adding them, we get
- x + y = 2
x - y = - 2--------------
0 + 0 = 0
0 = 0
Now this statement is true so the system has an infinite number of solutions.
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