QUESTION IMAGE
Question
question
solve for the value of e.
Step1: 确定角度关系
观察图形,可知\((8e + 8)^\circ\)、\(90^\circ\)和\((9e - 3)^\circ\)构成平角,即和为\(180^\circ\),所以可列方程:\((8e + 8)+90+(9e - 3)=180\)。
Step2: 化简方程
先对左边进行合并同类项:\(8e + 9e+8 + 90 - 3 = 180\),即\(17e + 95 = 180\)。
Step3: 求解e
方程两边同时减\(95\):\(17e=180 - 95\),即\(17e = 85\);再两边同时除以\(17\):\(e=\frac{85}{17}=5\)。
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\(e = 5\)