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Mathematics, 04.02.2020 06:50 diegop07
Use the linear combination method to solve the system of equations. explain each step of your solution.
-4x + 9y = 9
x - 3y = -6
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One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.
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