Exercise algebra.equations.linear.balance

Description
Solve a linear equation using only balance rules.

Derivation

2*(5-3*x)+x == 6

⇒ algebra.equations.linear.balance.distribute

10-6*x+x == 6

⇒ algebra.equations.linear.balance.collect

10-5*x == 6

⇒ algebra.equations.linear.balance.con-right-minus, term=10

-5*x == -4

⇒ algebra.equations.linear.balance.scale-to-one, factor=-5

x == 4/5