Solve a system like a₁x + b₁y = c₁ / a₂x + b₂y = c₂ with the elimination method — scale the equations, subtract to remove a variable, solve, and back-substitute. Every step shown.
Remove one variable by subtraction.
Det = 0 means parallel/infinite cases.
Every scaling and subtraction step.
Second variable found from the first.
Systems, matrices, formulas.