Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
-9 == x-4
⇒ algebra.equations.linear.balance.con-left-plus, term=4-5 == x
⇒ algebra.equations.linear.flipx == -5
Description
Solve a linear equation using only balance rules.