SOLUTION: determine if -3/10, 2 is a solution to 10x-9y=15
-> -> SOLUTION: determine if -3/10, 2 is a solution to 10x-9y=15
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determine if -3/10, 2 is a solution to 10x-9y=15
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(-3/10, 2) is a solution if and only if 10(-3/10) - 9(2) = 15 is true. This statement is not true (-21 = 15) so (-3/10,2) is not a solution.