Get clear, concise, and accurate answers to your questions on IDNLearn.com. Get prompt and accurate answers to your questions from our experts who are always ready to help.
Answer:
Option 1 -----> -10
Step-by-step explanation:
Substitute a and b into the equation :
-{a-b} =
-{7-(-3)} =
-{7+3} =
-{10} =
-10 ---> Option 1
Hoep this helped and brainliest please