0
Anonymous
x=372/71
y=-21/9
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25 + 16 - 13 - 21 = 7
140-119 is equal to 21.
12x - 4 = 7x - 21 12x -7x = -21 + 4 5x = -17 x = -3.4
11/21 (eleven over twenty-one)
63 minus 21 is 42.