The two lines $y = 4x - 19$ and $2x+y = 95$ intersect. What is the value of $x$ at the point of intersection?
y = 4x - 19
2x + y = 95
Substitute 4x - 19 for y into the second equation.
2x + (4x - 19) = 95
2x + 4x - 19 = 95
2x + 4x = 95 + 19
6x = 114
x = 114/6 = 19