Question

If t= -3 and u = 8, find the
value of 2t - U

Answer 1

The expression 2t-U means, in words, "subtract U from twice the value of t".

So, if t = -3, twice this value would be -6.

Since U = 8, we have tu subtract 8 from -6, leading to

`-6-8=-14`

Answer 2

-14.

Explanation:

Just replace the t and u in the given expression by -3 and 8:

2t - u

= 2*(-3) - 8

= -6 - 8

= -14.