Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
10*x+5 == 4*x-16
⇒ algebra.equations.linear.balance.var-left-minus, term=4*x6*x+5 == -16
⇒ algebra.equations.linear.balance.con-right-minus, term=56*x == -21
⇒ algebra.equations.linear.balance.scale-to-one, factor=6x == -7/2