helpme25 helpme25

27-04-2015
Mathematics

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what is the answer to 2y-8x=20

Respuesta :

27-04-2015

Pick a number. Any number. Call it 'x'.

Multiply 'x' by 4.
Add 10 to the product.
Call the current number 'y'.

The 'x' and 'y' that you have now are an 'answer' to that equation.

Do it as many times as you like. There are an infinite number of them.

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Panoyin Panoyin

28-04-2015

      2y - 8x = 20
2y - 8x + 8x = 20 + 8x
   2y = 20 + 8x
      2 2
   y = 10 + 4x

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