https://www.khanacademy.org/math/ncert-class-9/x2757d6348a04b24e:linear-equations-in-two-variables-ncert-new/x2757d6348a04b24e:linear-equations-in-two-variables-hots/e/linear-equations-in-two-variables-hots 2026-04-15T07:20:39.065075359Z Linear equations in two variables HOTS This exercise comprises of problems from the lesson which are of higher order thinking and are at a higher rigor than the usual khan academy problems Khan Academy exercise