Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
3/4*x-1/3 == 2/3*x-3/4
⇒ algebra.equations.linear.balance.remove-div, factor=129*x-4 == 8*x-9
⇒ algebra.equations.linear.balance.var-left-minus, term=8*xx-4 == -9
⇒ algebra.equations.linear.balance.con-right-plus, term=4x == -5