Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
3*(4*x-1)+17 == 7*x
⇒ algebra.equations.linear.balance.distribute12*x+14 == 7*x
⇒ algebra.equations.linear.balance.var-left-minus, term=7*x5*x+14 == 0
⇒ algebra.equations.linear.balance.con-right-minus, term=145*x == -14
⇒ algebra.equations.linear.balance.scale-to-one, factor=5x == -14/5