Solve using any method. Choose the correct ordered pair.

x + y = 5

y = 7

# Choice

A. (2, 7)

B. (-12, 7)

C. (-2, 7)

D. (12, 7)

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Masurile a doua unghiuri complementare sunt invers proportionale cu nr 0,25 si 0,1 (6). calculate masurile celor doua unghiuri

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How do you know that 35x5=5x35 without finding products?