Exercise algebra.equations.linear.balance

Description
Solve a linear equation using only balance rules.

Derivation

-34 == 11*x-12

⇒ algebra.equations.linear.balance.con-left-plus, term=12

-22 == 11*x

⇒ algebra.equations.linear.balance.scale-to-one, factor=11

-2 == x

⇒ algebra.equations.linear.flip

x == -2