How many solutions does the system of equations #y=5x+6# and #y-5x=7# have?

1 Answer
Annie
Nov 7, 2016

None

Explanation:

#y=5x +6# gradient 5 and passes through the point (0,6)
#y-5x=7# can be rearranged to #y=5x+7#
So this line has a gradient of 5 and passes through (0,7)
The two lines are parallel.
There is no set of values (x,y) which will satisfy both equations.

Related questions
Impact of this question
3743 views around the world
You can reuse this answer
Creative Commons License