Exercise algebra.equations.linear.balance

Description
Solve a linear equation using only balance rules.

Derivation

3/5*x == 7*x-16

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

3*x == 35*x-80

⇒ algebra.equations.linear.balance.var-left-minus, term=35*x

-32*x == -80

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

x == 5/2