Question

Check whether the simplification of the expressions is correct. If no, write the correct answer
130 + 5% (-6) + 75 - 150 x 2 (40-50 is equal to 280.
b) 4000 + 20 of ( 501 - 63 +63-(45) + 15] is equal to -39.
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Answer 1

Answer:

i have to admit im not certain at all; on what this qs is