algebra
posted by Michael .
Requesting help.
(I must reckon, that X is a variable, and y is yintercept)
Q: Try to use the substitution method to solve the the linear system y=3x an y=3x7. What do you notice?
A) What happens when you graph it?
B) Explain why there is no solution.
And...
Q: Try to use the substitution method to solve the the linear system 3y6x=15 an y=2x+5. What do you notice?
A) What happens when you graph it?
B) Explain why there is more than one solution?
My highest gratitude for who ever could help! It is critical that these answers are correct.

You need to do the exercises. You are being asked to do some thinking about what a solution.
When do lines cross, and when do they not is what the exercises are trying to develope in your thinking. 
algebra is malaking bra