Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
-5*x+47 == 3*x
⇒ algebra.equations.linear.balance.var-right-plus, term=5*x47 == 8*x
⇒ algebra.equations.linear.balance.scale-to-one, factor=847/8 == x
⇒ algebra.equations.linear.flipx == 47/8