Find all solutions of the given system of equations and check your answer graphically. HINT [First eliminate all fractions and decimals.] (If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer in terms of x, where y = y(x).) (x, y) = 0.4x + 0.1y = 0.9 0.4x 0.4y = 0.8

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