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Mathematics, 26.06.2019 02:00 tybreyonnaHco7855
Ann can build a model car in 5 hours, while sam can build the same model in 15 hours. how many hours would it take for them to build the model together? (set up the rational equation, and solve for x) pls show your work
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Arrange the steps to solve this system of linear equations in the correct sequence. x + y = -2 2x – 3y = -9 tiles subtract 3x + 3y = -6 (obtained in step 1) from 2x – 3y = -9 (given) to solve for x. substitute the value of x in the first equation (x + y = -2) to get y = 1. the solution for the system of equations is (-3, 1). x = -15 the solution for the system of equations is (-15, 13). add 3x + 3y = -6 (obtained in step 1) to 2x – 3y = -9 (given), and solve for x. x = -3 substitute the value of x in the first equation (x + y = -2) to get y = 13. multiply the first equation by 3: 3(x + y) = 3(-2) 3x + 3y = -6.
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Ann can build a model car in 5 hours, while sam can build the same model in 15 hours. how many hours...
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