Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
16*x-6 == -3*x+6*x-15
⇒ algebra.equations.linear.balance.collect16*x-6 == 3*x-15
⇒ algebra.equations.linear.balance.var-left-minus, term=3*x13*x-6 == -15
⇒ algebra.equations.linear.balance.con-right-plus, term=613*x == -9
⇒ algebra.equations.linear.balance.scale-to-one, factor=13x == -9/13