Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
7*x-14 == 3*(4*x-1)+3
⇒ algebra.equations.linear.balance.distribute7*x-14 == 12*x
⇒ algebra.equations.linear.balance.var-right-minus, term=7*x-14 == 5*x
⇒ algebra.equations.linear.balance.scale-to-one, factor=5-14/5 == x
⇒ algebra.equations.linear.flipx == -14/5