Question

Evaluate 5x + 2y, if x = -1 and y = 0.
I need help fast!!!

Answer 1

5x is the same as 5*x

2y is the same as 2*y

Now, we can plug the values of x and y into the equation and solve it, like this:

MENTAL MATH:

5 * (-1) = -5

2 * 0 = 0

FINALLY:

-5 + 0 = -5