What is the value of the function y=2x-3 when x = –1?

Remember the order of operations:

 

1. Solve what's inside the paranthesis

2. multiply(*)  /  divide  (:)

3. Add(+)   /   subtract   (-)

 

y = 2x - 3 = 2(-1) - 3 = -2 - 3 = -5