Exercise algebra.equations.linear.balance

Description
Solve a linear equation using only balance rules.

Derivation

3/4*x == 2/3*x-5/12

⇒ algebra.equations.linear.balance.remove-div, factor=12

9*x == 8*x-5

⇒ algebra.equations.linear.balance.var-left-minus, term=8*x

x == -5