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解含括号的方程 (含负数)
解下列方程，求 x 的值。
- 13–18 岁
- 数学
- 学习单
课程标准关联
- Common Core 8.EE.C.7.B: Solve linear equations with rational coefficients, including ones that need expanding brackets and collecting like terms.
- Common Core HSA-REI.B.3: Solve linear equations and inequalities in one variable, including those with letters for coefficients.
- England NC KS3.MA.ALG.4: Simplify and manipulate expressions by collecting like terms, multiplying out brackets and taking out common factors.
- England NC KS3.MA.ALG.7: Solve linear equations in one variable, including all forms that need rearranging.
- Programmes FR C4.MA.AL.2: Expand and simplify expressions using distributivity.
- Programmes FR C4.MA.AL.3: Set up and solve first-degree equations.
许可协议：Crayonbird original
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