SOLUTION: Plz help me with this: lines a,b,c,and d are labeled. Line a is y=-x Line b is y=-x+2 Line c is 1=x Line d is 3x=3... Circle the solutions that answer each question. 1.whic

Question 948995: Plz help me with this: lines a,b,c,and d are labeled.
Line a is y=-x
Line b is y=-x+2
Line c is 1=x
Line d is 3x=3...
Circle the solutions that answer each question.
1.which system(s) has one solution? A and b, a and c,a and d, b and c,b and d or c and d...
2. Which system(s) has no solution? There the same choices as question #1..
3. Which system(s) has infinite solutions?
Plz help I don't understand a bit of this!!!
Thanks
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
None of the lines is a system. Each equation is just one line.
Line a and line b have two variables, so each has infinite solutions.
Line c and line d have only one variable and therefore their equations have only one solution each.
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