Exercise algebra.equations.linear.balance

Description
Solve a linear equation using only balance rules.

Derivation

-32/5*x == -16

⇒ algebra.equations.linear.balance.remove-div, factor=5

-32*x == -80

⇒ algebra.equations.linear.balance.negate

32*x == 80

⇒ algebra.equations.linear.balance.scale-to-one, factor=32

x == 5/2