Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
18 == 3*x-8
⇒ algebra.equations.linear.flip3*x-8 == 18
⇒ algebra.equations.linear.balance.con-right-plus, term=83*x == 26
⇒ algebra.equations.linear.balance.scale-to-one, factor=3x == 26/3