y=8
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12x - 9y = 6, 12x + 20y = 64 29y = 58 y = 2 x = 2
1: 12x - 9y = 6 2: 12x + 20y = 64 Subtract 1 from 2: 29y = 58 y = 2. So does x.
Subtract 3y from each side: -8 = 12y + 64Subtract 64 from each side: -72 = 12yDivide each side by 12: -6 = yie y = -6
The answer is 64.
162+64=226