Question

-4(3s)+2 (-t); for s = 1/2, t = -3
please help me

Answer 1

Hi there. :)

I'll try to make this simpler for you.

Let's focus on the equation from left to right, to avoid clutter.

-4(3 * 1/2) = -4(1.5)

Now to the right.

+ 2(3) = + 6

Now combine!

-4(1.5) + 6 = 

-6 + 6 = 0

The answer is 0.