Question

$w + x - z$ $w = -5.7$ $x = 4$ $z = -14.8$

Explanation:

Step1: Substitute given values

$w + x - z = (-5.7) + 4 - (-14.8)$

Step2: Simplify the signs

$= -5.7 + 4 + 14.8$

Step3: Calculate left to right

$= -1.7 + 14.8$

Step4: Final arithmetic operation

$= 13.1$

Answer:

13.1