QUESTION IMAGE
Question
given parallelogram klmn below, mo = 61. if ok = 2x - 3, solve for x.
Step1: 回忆平行四边形对角线性质
平行四边形的对角线互相平分,即\(MO = OK\)。
Step2: 列方程求解
已知\(MO = 61\),\(OK = 2x - 3\),根据\(MO = OK\)可得方程\(2x - 3 = 61\)。
Step3: 解方程
方程两边同时加\(3\):\(2x - 3 + 3 = 61 + 3\),即\(2x = 64\);
方程两边同时除以\(2\):\(x = \frac{64}{2} = 32\)。
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\(x = 32\)