Brainteen
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解方程：两步 (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 7.EE.B.4.A: Solve word problems leading to equations of the form px + q = r and p(x + q) = r.
- England NC KS3.MA.ALG.7: Solve linear equations in one variable, including all forms that need rearranging.
- BNCC EF07MA18: Solve problems with first-degree equations reducible to ax + b = c, using the properties of equality.
- Programmes FR C4.MA.AL.3: Set up and solve first-degree equations.
许可协议：Crayonbird original
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