Question

What is the first step to solving this by substitution?

1 point
y = 2x + 1
y = 4x - 1
O put a zero in for x
O put a zero in for y
O find the slope
O Replace the right side of the top equation with the y on the bottom equation

Answer 1

Last answer: replace right side of the top equation with the y on the bottom

Explanation: