Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Derivation
4*(x-1)+12 == 11*x
⇒ algebra.equations.linear.balance.distribute4*x+8 == 11*x
⇒ algebra.equations.linear.balance.var-right-minus, term=4*x8 == 7*x
⇒ algebra.equations.linear.balance.scale-to-one, factor=78/7 == x
⇒ algebra.equations.linear.flipx == 8/7