Exercise algebra.equations.linear.balance

Description
Solve a linear equation using only balance rules.

Derivation

-5/2*x+3/2 == -5

⇒ algebra.equations.linear.balance.remove-div, factor=2

-5*x+3 == -10

⇒ algebra.equations.linear.balance.con-right-minus, term=3

-5*x == -13

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

x == 13/5