Exercise algebra.equations.linear.balance

Description
Solve a linear equation using only balance rules.

Derivation

9*(7-2/3*x)-36-2*x == 0

⇒ algebra.equations.linear.balance.distribute

63-6*x-36-2*x == 0

⇒ algebra.equations.linear.balance.collect

27-8*x == 0

⇒ algebra.equations.linear.balance.con-right-minus, term=27

-8*x == -27

⇒ algebra.equations.linear.balance.scale-to-one, factor=-8

x == 27/8