Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
-5*x+35 == 3*x-12
⇒ algebra.equations.linear.balance.var-right-plus, term=5*x35 == 8*x-12
⇒ algebra.equations.linear.balance.con-left-plus, term=1247 == 8*x
⇒ algebra.equations.linear.balance.scale-to-one, factor=847/8 == x
⇒ algebra.equations.linear.flipx == 47/8