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Q: If x equals 7 and y equals 2x plus 3 what is 5x plus y?

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33

2x +1 = 5x-2 2x +3= 5x 3 = 3x x=1

5x+18 = 2x+9 5x-2x = 9-18 3x = -9 x = -3 and y = 3

-5x+3(x+8)=16-2x

6 + 2x = 5x + 9 , 6 - 9 = 5x - 2x , -3 = 3x , x = -1

3x + 5x = 2x + 28x = 2x + 26x = 2x = (2/6) = 1/3

If: x+9+5x = 21+2x Then: x = 3

5x+7 = 2x-3 5x-2x = -3-7 3x = -10 x = -10/3

x=4

(3, 3)

Question: 2x + e = 5x - 2x 3x = e x = e/3

8x + 5x + 2x + 4x = 114 19x = 114 x = 6 then 5x + 3 = 5*6 + 3 = 33

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