Simplifying 16x + 40y = 0 Solving 16x + 40y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-40y' to each side of the equation. 16x + 40y + -40y = 0 + -40y Combine like terms: 40y + -40y = 0 16x + 0 =