Question 250900
using substitution find the answer to the problem y=2x+3 y=4x-1 

Substitute 4x-1 from the second equation into the first:

4x-1 = 2x+3
2x = 4
x = 2

Substitute 2 for x in the second equation and solve for y.

y = 4*2 - 1 = 7