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4+3(x-1)=2(x-2)
简化 4 + 3(x + -1) = 2(x + -2) 重新排序条件: 4 + 3(-1 + x) = 2(x + -2) 4 + (-1 * 3 + x * 3) = 2(x + -2) 4 + (-3 + 3x) = 2(x + -2) 组合类似条件: 4 + -3 = 1 1 + 3x = 2(x + -2) 重新排序条件: 1 + 3x = 2(-2 + x) 1 + 3x = (-2 * 2 + x * 2) 1 + 3x = (-4 + 2x) 解: 1 + 3x = -4 + 2x 求解变量 'x'. 移动所有条件 x 到左边,所有其他条件放右边. 添加 '-2x' 到等式的每一边. 1 + 3x + -2x = -4 + 2x + -2x 组合类似条件: 3x + -2x = 1x 1 + 1x = -4 + 2x + -2x 组合类似条件: 2x + -2x = 0 1 + 1x = -4 + 0 1 + 1x = -4 添加 '-1' 到等式的每一边. 1 + -1 + 1x = -4 + -1 组合类似条件: 1 + -1 = 0 0 + 1x = -4 + -1 1x = -4 + -1 组合类似条件: -4 + -1 = -5 1x = -5 两边除以'1'. x = -5 简化 x = -5
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