Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
5/2*x+2 == 1/4*x+1/2
⇒ algebra.equations.linear.balance.remove-div, factor=410*x+8 == x+2
⇒ algebra.equations.linear.balance.var-left-minus, term=x9*x+8 == 2
⇒ algebra.equations.linear.balance.con-right-minus, term=89*x == -6
⇒ algebra.equations.linear.balance.scale-to-one, factor=9x == -2/3