初等代数 示例 线性方程和线性不等式

求解 x

解题步骤 1
从等式两边同时减去 。
解题步骤 2
从 中减去 。
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线性方程和线性不等式

Solving for a Variable Calculating Slope and y-Intercept Rewriting in Slope-Intercept Form Finding Equations Using the Slope-Intercept Formula Finding Equations Using Two Points Finding a Perpendicular Line Containing a Given Point Finding the Slope Finding a Parallel Line Containing a Given Point Finding a Parallel Line to the Given Line Finding a Perpendicular Line to the Given Line Finding Ordered Pair Solutions Using a Table of Values to Graph an Equation

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