Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
1/4*x+1/6 == -1/3*x+3/4
⇒ algebra.equations.linear.balance.remove-div, factor=123*x+2 == -4*x+9
⇒ algebra.equations.linear.balance.var-left-plus, term=4*x7*x+2 == 9
⇒ algebra.equations.linear.balance.con-right-minus, term=27*x == 7
⇒ algebra.equations.linear.balance.scale-to-one, factor=7x == 1