Respuesta :

Answer:

I'm not sure but it might be 21.1 (I think)

Answer:  I can't read the attached photo well, so I will assume the following:

Equation: w + x -z

Values:  w=4, x=-11.7, z = -5.4

If so, the answer is -2.3

Step-by-step explanation:

4 -11.7 -(-5.4) = -2.3