Exercise algebra.equations.linear.balance

Description
Solve a linear equation using only balance rules.

Derivation

10 == 6+5*x

⇒ algebra.equations.linear.balance.con-left-minus, term=6

4 == 5*x

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

4/5 == x

⇒ algebra.equations.linear.flip

x == 4/5