With these 4 problems

emergency

5x+2y= 10 and 2y-4x= -2 and 7y+4y= 24 and -2x+1/2y= 2

Step-by-step explanation:

To solve for y, subtract the x-term and divide by the coefficient of y.

5x +2y = 10

  2y = -5x +10

  y = -5/2x + 5

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2y -4x = -2

  2y = 4x -2

  y = 2x -1

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7y +4y = 24

  y = 24/11

We assume there is a typo, but cannot tell what it is. Use the same method as described and demonstrated for the other problems.

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-2x +1/2y = 2

  1/2y = 2x +2

  y = 4x +4

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r and t.

both are 64 degrees.