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OpenStudy (anonymous):
One number is 3 less than twice another. If their sum is 39, find the numbers. Which of the following systems of equations represents the word problem? y = 2x - 3 and y = x + 39 correct? y = 2x - 3 and x + y = 39 y = 2(x - 3) and x + y = 39
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OpenStudy (lucaz):
twice is 2x, 3 less than is ( ) -3, so it's 2x-3 the system is the 2nd option y=2x-3 x+y=39
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