Answer:
7 - - 5 = 12
Step-by-step explanation:
7+5=12
even numbers of negatives alwasy equal positive
(2x+1)(1) = 84. 2x+1= 84. 2x = 83.
last one
i did this
1 is your answer its law of trig identises
Answer:.
W. T. F.
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