How do you solve the system of equations: y=2x+1 and y=4x-1?

Question

8426 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-06-21T20:14:16

Here #x=1# and #y=3#.

We have

#y=2x+1#.......................#(A)#

and

# y=4x-1#..................#(B)#

Subtracting #(B)-(A)#

#0=2x-2#

#x=1#

Putting #x=1# in #(A)# or #(B)#, we get

#y = 2 * 1 + 1#

#y=3#