Exercise algebra.equations.linear.balance

Description
Solve a linear equation using only balance rules.

Derivation

-14*x+26 == 6*x

⇒ algebra.equations.linear.balance.var-right-plus, term=14*x

26 == 20*x

⇒ algebra.equations.linear.balance.scale-to-one, factor=20

13/10 == x

⇒ algebra.equations.linear.flip

x == 13/10