Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
4*x-6 == 7*x-14
⇒ algebra.equations.linear.balance.var-right-minus, term=4*x-6 == 3*x-14
⇒ algebra.equations.linear.balance.con-left-plus, term=148 == 3*x
⇒ algebra.equations.linear.balance.scale-to-one, factor=38/3 == x
⇒ algebra.equations.linear.flipx == 8/3