作业帮当x取何值时,式子1/2[2x-1/3(10-7x)]-x-x/2的值比1/3[x-1/2(x+1)]的值小3?
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/06 15:59:33
![当x取何值时,式子1/2[2x-1/3(10-7x)]-x-x/2的值比1/3[x-1/2(x+1)]的值小3?](/uploads/image/z/474786-18-6.jpg?t=%E5%BD%93x%E5%8F%96%E4%BD%95%E5%80%BC%E6%97%B6%2C%E5%BC%8F%E5%AD%901%2F2%5B2x-1%2F3%2810-7x%29%5D-x-x%2F2%E7%9A%84%E5%80%BC%E6%AF%941%2F3%5Bx-1%2F2%28x%2B1%29%5D%E7%9A%84%E5%80%BC%E5%B0%8F3%3F)
当x取何值时,式子1/2[2x-1/3(10-7x)]-x-x/2的值比1/3[x-1/2(x+1)]的值小3?
当x取何值时,式子1/2[2x-1/3(10-7x)]-x-x/2的值比1/3[x-1/2(x+1)]的值小3?
当x取何值时,式子1/2[2x-1/3(10-7x)]-x-x/2的值比1/3[x-1/2(x+1)]的值小3?
x-1/6(10-7x)-3x/2=x/3-1/6(x+1)-3
6x-10+7x-9x=2x-x-1-18
x=-3
{1/2[2x-1/3(10-7x)]-x-x/2}+3=1/3[x-1/2(x+1)]
x-1/6(10-7x)-3x/2=x/3-1/6(x+1)-3
6x-10+7x-9x=2x-x-1-18
x=-3