3/4x=2/3(x+3)3/4x=2/3x+23/4x-2/3x=21/12x=2x=2÷1/12x=24有不明白的可以追问!谢谢!!祝学习进步!
将等式右边的2/3移到左边,原式等于9/8= x+3将3移向,所以x = 9/8 - 3 = - 15/8
原方程化为8x=9(x+3),x=-27