Respuesta :
Answer:-55.25 - 22.75 = -78
Step-by-step explanation:
To check the answer, we plug the value of x into the equation;
Since x is given as 6.5, equation will be written as:
-8.5 (6.5) – 3.5 (6.5) = -78
(-8.5 x 6.5) - (3.5 x 6.5) = -78
-55.25 - 22.75 = -78