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.distribute

7*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.flip

x == -14/5