解方程时要进行一系列移项和同解变形，最后求出它的根，即未知量的值。

To solve the equation means to move and change the terms about without making the equation untrue, until the root of the equation is obtained, which is the value of unknown term.

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解方程时要进行一系列移项和同解变形，最后求出它的根，即未知量的值。

To solve the equation means to move and change the terms about without making the equation untrue, until the root of the equation is obtained, which is the value of unknown term.

youdao