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Systems of equations appear 3–5 times on SAT Math — substitution, elimination, and recognizing whether a system has no solution, one solution, or infinitely many. You will also see them as word problems (tickets sold, mixtures, distance-rate-time). Difficulty adapts to your level and every question includes a step-by-step solution. Miss a question? An AI tutor asks a guiding question first, so you figure out what went wrong instead of being handed the answer.