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Q: What is the answer to x plus 3 equals -15?

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If: x/3 + 10 = 15 Then: x = 15

x=3 becaus: 6x=x+15 5x=15 (-x) x=3 (divided by 5)

-9

x=(-3)

It is: x = 1.2

x=4

x = 3

x=4/3

x2 + 2x - 15 = (x - 3)(x + 5)

x over 4= 2x+3 over 15

12 (x is -3)

find x+x+x when x=15 15+15+15=45

x = 13

If the question is, What x 3 equals 15? Then 5 x 3 = 15 If the question is, What is 15 x 3? Then 15 x 3 = 45

10x + 3 = 15 10x = 15 - 3 10x = 12 x = 1.2

1over3x+x+x+8+x=15

The problem can be written as:46-3+7x-15 = 4243+7x-15=427x + (43-15) = 427x + 28 = 427x = 42 - 287x = 14x = 14/7 = 2

It is: x = 5/3 and x = -3

2x2 + 11x + 15 = (x + 3)(2x + 5).

x=5

30 + 5x = 15 + 10x 30 = 15 + 5x 15 = 5x x = 3

x = 0

If 40 plus x equals 25 then x is equal to -15.

-15 = 6x + 3 - 3-15 = 6x (3 - 3 = 0)-2.5 = x (-15/6)

x2 + 2x - 15 = 0(x + 5) (x - 3) = 0x = -5x = +3