Final Answer: 652
Steps/Explanations/Reasons:
Question: 100 + 10 - 8 + 60 - 80 + 700 + 20 - 150
Step 1: Simplify
to
.

Step 2: Simplify
to
.

Step 3: Simplify
to
.

Step 4: Simplify
to
.

Step 5: Simplify
to
.

Step 6: Simplify
to
.

Step 7: Simplify.

~I hope I helped you :)~