Exercise algebra.equations.linear.balance

Description
Solve a linear equation using only balance rules.

Derivation

4*(4*x-1)-2 == -3*x+3*(2*x-5)

⇒ algebra.equations.linear.balance.distribute

16*x-6 == -3*x+6*x-15

⇒ algebra.equations.linear.balance.collect

16*x-6 == 3*x-15

⇒ algebra.equations.linear.balance.var-left-minus, term=3*x

13*x-6 == -15

⇒ algebra.equations.linear.balance.con-right-plus, term=6

13*x == -9

⇒ algebra.equations.linear.balance.scale-to-one, factor=13

x == -9/13