Answer:
y =
x
Explanation:
identify two points on the line: (2, 1) (4, 2) to find the slope(
) for the line
=>
=>
find the y-intercept:
=> 0
substitute the slope and y-intercept into the equation y = mx + b
slope ↑ ↑ y-intercept
=> y =
x + 0
=> y =
x