Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
4*x-10 == -x+3
⇒ algebra.equations.linear.balance.var-left-plus, term=x5*x-10 == 3
⇒ algebra.equations.linear.balance.con-right-plus, term=105*x == 13
⇒ algebra.equations.linear.balance.scale-to-one, factor=5x == 13/5