True: 4x + 3x = 7x, 4(2x - 4) = 8x - 16, False: 3y - 2x = 2x - 3y, -3(-2x - 4) = -6x - 7,

Combining Like Terms and Distribution

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?