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OpenStudy (anonymous):
PLEASE CHECK ! WILL GIVE MADEAL !! Solve, using the substitution method. y – 3x = 7 21 + 9x = 3y There is no solution. There are an infinite number of solutions. The solution is (1, 10) The solution is (28, 0) ANSWER - D
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OpenStudy (shamil98):
y = 3x + 7 substitute y into the second equation and solve for x.
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