If 5x + y = 20 and 10x - 2y = 50 are two linear equations in two variables. Find the value of x and y. x = 1, y = 1

x = 2, y = 1/2

x = 9/2, y = -5/2

x = 1, y = 5/2

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Ответ:

ernest214

25.02.2022

Mathematics

The gratuity is about 20% of $40, which is $8. The tax is about 10% of $40, which is $4. So, the total cost is about $40 + $8 + $4 = $52.

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If 5x + y = 20 and 10x - 2y = 50 are two linear equations in two variables. Find the value of x and y. x = 1, y = 1x = 2, y = 1/2x = 9/2, y = -5/2x = 1, y = 5/2First person who answers correctly gets brainliest.