SOLUTION: solve the system y=2x+1 and y-2x=5 by any method

Algebra ->  Expressions-with-variables -> SOLUTION: solve the system y=2x+1 and y-2x=5 by any method      Log On


   

Question 375433: solve the system y=2x+1 and y-2x=5 by any method
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

solve the system y=2x+1 and y-2x=5 by substitution

y=2x+1 

y-2x=5  Substituting for y

(2x + 1)-2x = 5

1 ≠ 5  there is NO solution for this system

Note: the lines are parallel, both with slopes = 2

y = 2x+1  and y = 2x + 5

graph%28+300%2C+300%2C-6%2C6%2C-6%2C6%2C2x%2B1%2C2x%2B5%29+