Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
3*x+10 == 35*x-70
⇒ algebra.equations.linear.balance.var-right-minus, term=3*x10 == 32*x-70
⇒ algebra.equations.linear.balance.con-left-plus, term=7080 == 32*x
⇒ algebra.equations.linear.balance.scale-to-one, factor=325/2 == x
⇒ algebra.equations.linear.flipx == 5/2