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Q: 23 plus 11 equals 7 131 plus 42 equals 11 28 plus 75 equals?

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25x = 11 so x = 0.44

17x + 2y = 23 is the equation of a straight line with gradient -8.5 and intercept 11.5

11 & 29 or 17 & 23

8c + 24 + 23 = 71subtract 47 from each side, 8c = 24divide each side by 8, c = 3

Equations: 7x+4y = 9 and 2x+3y = 1 Multiply all terms in the 1st equation by 2 and all terms in the 2nd equation by 7 So: 14x+8y = 18 and 14x+21y = 7 Subtract the 1st equation from the 2nd equation: 13y = -11 => y = -11/13 By substituting y = -11/13 into any of the equations x = 23/13 Therefore the solutions are: x = 23/13 and y = -11/13

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Who is the idiot that told you that - everyone knows that 23 plus 60 equals 83 !

25x = 11 so x = 0.44

23 + 4 = 27

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