Q: What is -8 plus 10x equals 18?

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Subtracting gives: 10x = 80 so x = 8 and y = 5

x=-3

8 = -6x x = -1.3333

5x+8 = 10x+35x-10x = 3-8-5x = -5x = 1 and by substituting the value of x into the equations y = 13

(x + 8)(x + 2)

x=-8

-6x-6 -or- -6(x+1)

12x - 8 = 10x + 42x = 12x = 6

10*6+8*7 = 116

10x + (8-x) = -19 10x + 8 = x - 19 10x = x - 27 9x = 27 x = 3

7x + 8 = 10x - 2 ∴ 3x = 10 ∴ x = 10/3

9 + 8 + 16 + 17 + 18 = 68

74 (10*5)+(8*3) = 74

True. 9 + 8 + 1= 18 and 9 + 1 + 8 =18.

Twenty-Five x2 + 10x = 8 x2 + 10x + 25 = 8 + 25 (x + 5)2 = 33

x = 6 Why? 10x + 8 = 68 Subtract 8 from both sides: 10x = 60 Divide both sides by 10: x = 6

8.

b = -8

m = -10 !

m = 8

It is the property that equals plus equals are equals.

1-10x = 81 -10x = 81-1 -10x = 80 x = -8

This simplifies to x2 + 10x + 17 = 0 which has no solution in integers. Quadratic formula gives roots as -2.17 and -7.83 to the nearest hundredth. If the original equation had been "equals 0" rather than "equals 8", there would have been only one root: x = -5

12x - 6 = 10x +2 12x - 10x = 2 + 6 2x = 8 x = 4

3x2 - 10x - 8 = (3x + 2) (x - 4)

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