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31=7x-11, 31+11=7x, 42/7=x, x=6 :)
7x11 is 77
the answer is 77 it is because: 7X11=77 when you recheck it: 77 /\ / \ 7X11=77
Then A = 31, b = 31 and c = 31/15 = 2.066...
62
31 x 1
31 times 31
it equals 283. (:
1 x 31, 31 x 1
48
31 in = 78.74 cm
31
8 + 31 = 39