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QUIZ: Can you name the value of X in each of the equations where X is an integer?
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dm21uk
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Equation
X =
X + 47 = 72
7X - 92 = 27
3X - 56 = 2X + 9
3(X + 7) = 27
7(X + 5) - 4(X - 3) = -13
4(X + 9) = 7(X + 6)
-2(X * 4) + 32 = 0
(X+12)(X-7) = 0
(X-1)(X-1)(X-1) + 1 = 1
(X+9)(X-17)(X+53) = 0
(4X + 16)(3X - 27) = 0
(X^3 - 64)(X^2 - 36) = 0
X^2 + 63 = 688
X^3 + 50 = 562
5X^2 -179 = 1
Equation
X =
7X ^2 = X^3, X > 0
X/16 = 4/X
3X/10 = 75/(2X^2)
X^2/9 = 2X/6, X > 0
X^2 - 15X + 54 = 0
X^2 - 3X - 10 = 0
X^2 - 2X + 1 = 0
2X^2 + 8X + 6 = 0
10X^2 - 10X = 120
0.5X^2 -4X + 8 = 0
6(X^2 - 6X) = -48
3X + 5Y = 29, 2X + Y = 10
5X + 4Y = 31, 2X - 3Y = 17
4X - Y = 8, 5X - Z = 28, Y = -Z
2X + Y - 6Z + 25 = 0, 7X + 3Y + 3Z - 7 = 0, 4X + 5Y + 9Z -43 = 0
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