lusan4u
10.06.2021 •
Mathematics
.
Sophie is trying to find two numbers, x and y, that satisfy the following conditions.
1. the sum of x and Y is 35, 2. the sum of 2x and 2Y is 70.
Sophie wrote the following system of equations and graphed them on her calculator.
x plus Y = 35. 2x + 2Y = 70,
How many solutions does this system of equations have?
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Ответ:
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