用解方乘做9x-36=5x

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用解方乘做9x-36=5x

9x-36=5x
9x-5x=36
4x=36
x=9


9x-36=5x
9x-5x=36
4x=36
x=9

9x-5x=36
4x=36
x=9

9x-36=5x
9x-5x=36
4x=36
x=9