Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Firsts
Rule algebra.equations.linear.balance.con-right-plus Location [] Term "Just (TCon relation1.eq [TCon arith1.unary_minus [TCon arith1.times [TNum 7,TVar \"x\"]],TCon arith1.unary_minus [TNum 21]])" Focus "Just (TCon relation1.eq [TCon arith1.unary_minus [TCon arith1.times [TNum 7,TVar \"x\"]],TCon arith1.unary_minus [TNum 21]])" Environment term=9