Math\English高手进!一元一次方程用英语怎么说?绝对值、解还有面怎么说?

一元一次方程A Yuan first power regulation
绝对值 Absolute value
解 Solution
面 Surface

equation with one unknown
absolute value
root
plane

一元一次方程:linear equation with one unkown
绝对值：absolute value
solution
面：surface
初一课本最后有,自己翻.