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Q: What is 3x plus 6 equals 18?

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27-9 =18. 18/3 =6

6-3x+12=0 6+12-3x=0 18-3x=0 18=3x x=6

x^2+3x-18=0 (x+6)(x-3)=0

2x + 3x + 6 = 5x + 6

3x + 5 = 6x + 23 -3x = 18 x = -6

3x + 7y = 3*x + 7*y = 3*6 + 7*4 = 18 + 28 = 46

3x + 2 = 3x + 6 This is not possible.

If: 3x+6 = 18 Then: x = 4

18 + 70 ie 87

what is a slope

25-7=18 18/3=6

18 = 3x6 = x

3x+y=6

-3x+14 = -4 -3x = -4-14 -3x = -18 x = 6

4x+6-7x+9=18-3x+15=18-3x=3x=-1

18=3(3x-6)

3x+12 = 18 3x = 18-12 3x = 6 x = 2

-9

x=6

-3x + 6 + 15x =11x + 8 ie -3x + 15x - 11x = 8 - 6 ie x = 2

The answer is x = 6

It is a singular matrix.

X equals 9.

1/3x + 6 = 9 Restating the problem x + 18 = 27 I multiplied by 3 x = 9 I subtracted 18 from 27

x2 + 3x - 18 = 0 (x - 3)(x + 6) = 0 x = 3 or -6