Using the order of operations PEMDAS, we first simplify multiplication and then addition and subtraction:
-0.5 (-10) + 1 (-10) - 51= 5 + (-10) - 51= -5 - 51= -56
Therefore, the answer is -56.
Using the order of operations PEMDAS, we first simplify multiplication and then addition and subtraction:
-0.5 (-10) + 1 (-10) - 51
= 5 + (-10) - 51
= -5 - 51
= -56
Therefore, the answer is -56.