97-54=43
97 and b are the same angle so therefore you can subtract 97-54=43
Answer:
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Step-by-step explanation:
Combine. Note that one positive and one negative = one negative
-2.1 + (-5.9) + (-3.7) = -2.1 - 5.9 - 3.7 = -11.7
-11.7 is your answer
hope this helps
