题目内容
Root of the equation
is ________.
分析:先将方程提取公因式得
解答:
提取公因式,得
去括号,得
合并同类项,得
去分母,得
20x=90,
系数化为1,得
x=
点评:此题主要考查学生对解一元一次方程的理解和掌握,此题难度不大,属于基础题.
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