Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
27-6*x == 2*x
⇒ algebra.equations.linear.balance.var-right-plus, term=6*x27 == 8*x
⇒ algebra.equations.linear.balance.scale-to-one, factor=827/8 == x
⇒ algebra.equations.linear.flipx == 27/8