Exercise algebra.equations.linear.balance
Description
Solve a linear equation using only balance rules.
Firsts
Rule algebra.equations.linear.balance.var-left-plus Location [] Term "Just (TCon relation1.eq [TCon arith1.unary_minus [TCon arith1.times [TNum 2,TVar \"x\"]],TCon arith1.unary_minus [TNum 4]])" Focus "Just (TCon relation1.eq [TCon arith1.unary_minus [TCon arith1.times [TNum 2,TVar \"x\"]],TCon arith1.unary_minus [TNum 4]])" Environment term=3*x