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5(x + 4) + 3(x + 2) = 5x + 20 + 3x + 6 = 8x + 26
4(x + 3) + 2(x − 4) = 4x + 12 + 2x - 8 = 6x + 4
4(x + 2) + 2(x + 5) = 4x + 8 + 2x + 10 = 6x + 18