x = 5 - x + 5 = 10, x = -8 - -2x = 16, x = 12 - x - 9 = 3, x = -36 - x/4 = -9, x = -7 - x + 2 = -5, x = 2 - -6x = -12, x = 16 - x/8 = 2, x = 13 - x - 7 = 6,

Solving One-Step Equations

排行榜

視覺風格

選項

切換範本

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