Use the substitution method to solve the system of equations. {y=3x−715x−5y=14 What is the solution? The solution is (15, 5). The solution is (0, 7). There is no solution. There are an infinite number of solutions.
(1) Answers
y = 3x - 7...so we sub in 3x - 7 for x in the other equation 15x - 5y = 14 15x - 5(3x - 7) = 14 15x - 15x + 35 = 14 15x - 15x = 14 - 35 0 = - 21...incorrect.......therefore, this has no solution
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