20+3b = 20 + 3(-6) = 20-18 = 2
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x=2
X=2
3x+4 = 5x-6 3x-5x = -6-4 -2x = -10 x = 5
3X - 23 + 4X + 6 = 5X + 8combining like terms, 7X - 17 = 5X + 8subtracting 5X and adding 17 to each side, 7X - 5X = 8 + 17Then, 2X = 25X = 12.5
654326. Or 154326. or something else.