方程3(2x-1)=2+3x的解与关于x的方程的解互为相反数,则m的值为( )

小明在做解方程作业时,不小心将方程中的一个常数污染了看不清楚,被污染的方程是,怎么办呢?小明想了一想便翻看了书后的答案,此方程的解是,很快补好了这个常数,这个常数的值为()

小明在解关于x的方程2a-3x=11时,误将等号前面的“-3x”看成“+x”,得方程的解为x=1,则a的值和原方程的解分别为()

一元一次方程的解是()

—When were you born?—I was born        .

—        ?—It's  April 3rd.

          visitors come to Kaifeng during May Day holidays every year.

—Our school is going to hold the        Culture Festival.—I see. And we can take part in        
activities.

Please turn to Page       and look at the       picture in this unit.

—Which class won the match in the end?—I’m not quite sure. Perhaps          did.