Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
4*x+17 == -5*x
⇒ algebra.equations.linear.balance.var-left-plus, term=5*x9*x+17 == 0
⇒ algebra.equations.linear.balance.con-right-minus, term=179*x == -17
⇒ algebra.equations.linear.balance.scale-to-one, factor=9x == -17/9