First do the order of operations so the answer is 12 plus 5 is 17. The answer is 17.
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- 5 - x + 2 - x + 6 - x + 10 - x = -5 + 2 + 6 + 10 - x - x - x - x = 13 - 4x
(x+5)(x+6) equals x^2 +11x+30
2x + 7 + 5 = 2x + 12 = 2*x + 2*6 = 2*(x+6)
(x+2)/5 = 6+x x+2 = 30+5x x-5x = 30-2 -4x = 28 x = -7
x + y = 6 so that -x = y - 6 -x + 3y = -2 that is, y - 6 + 3y = -2 or 4y = 4 or y = 1 and then -x = y - 6 = -5 so that x = 5