Answer:
-3 + 2x
Explanation:
y = 2x - 3, if you think about the expression graphically, the line has a slope of 2 and y-intercept of -3. There is only one solution to the line which is slope of 2 and y-intercept of -3. If you really want to make an expression, you can try manipulating the numbers such as -3 + 2x