Question: X + 2y - 42 =-4 a + 2b - c = 2 a+b+c=6 Sol 2a + 3b - 2c = 2 8. 4x -

X + 2y - 42 =-4 a + 2b - c = 2 a+b+c=6 Sol 2a + 3b - 2c = 2 8. 4x - y - 3z = -9 X + 2y - 2z = 8 3x - y - 2z =- 6 9. 3x + y+ z = 13 -3z 6x + 2y + 29 = 3z 2x + 2y + 2z = 1 - 2x - 2z 107 2a/3 + c/2 = 0 a/6 + b/4 = 0 3b/4 + 3c/4 =-9 II. Translate the word problem into mathematical equation and solve.(40 points) 11. Aling Naty sekks each pack of mixed nuts and green peas for P6 each gram. Each gram of peanuts, green peas, and cashew nuts costs P3, P4, and P8 respectively. If she need to have a mixture of 140grams, and the weight of the peanuts be twice of the green peas, how many grams of each of the nuts and green peas should she mix? 2y = 3x - 10 igit is twice s. What is 5. x = (y+3)2 y = -2x -7

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