9/(2*2+x*3+x-1) *3 =36/100怎么解
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![9/(2*2+x*3+x-1) *3 =36/100怎么解](/uploads/image/z/3700945-1-5.jpg?t=9%2F%282%2A2%2Bx%2A3%2Bx-1%29+%2A3+%3D36%2F100%E6%80%8E%E4%B9%88%E8%A7%A3)
9/(2*2+x*3+x-1) *3 =36/100怎么解
9/(2*2+x*3+x-1) *3 =36/100怎么解
9/(2*2+x*3+x-1) *3 =36/100怎么解
9/(2*2+x*3+x-1) *3 =36/100
9/(4+3x+x-1) =12/100
9/(3+4x) =3/25
方程两边同时乘以(3+4x),得
9=9/25+12x/25
225=9+12x
12x=216
x=18
检验:左边=3/25
右边=3/25
所以x=18是原方程的根