Exercise algebra.equations.linear.balance

Description
Solve a linear equation using only balance rules.

Derivation

7*x-14 == 4*x-6

⇒ algebra.equations.linear.balance.var-left-minus, term=4*x

3*x-14 == -6

⇒ algebra.equations.linear.balance.con-right-plus, term=14

3*x == 8

⇒ algebra.equations.linear.balance.scale-to-one, factor=3

x == 8/3