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English, 16.02.2021 02:30 tangia

The sum of two numbers is 40. The second number is 5 less than twice the first number. Let x represent the first number and let y represent the second number. What is the value of the first number? Use the table to guess and check. Numbers
x
y
x + y = 40
y = 2 x minus 5

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30

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