1/4×(x-0.75)=13/16x-0.75=13/16÷1/4x-0.75=13/16×4x-0.75=13/4x-75/100=13/4x-25/4=13/4x=38/4x=19/2x=9.5写的比较详细,有点多,可以缩略一点
— —鐧惧害鍦板浘
X等于4
X=4