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Subtract 9 from -12 and you get -21

Q: X plus 9 equals -12 How do I solve this?

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A + 9 = 21 A = 21 - 9 A = 12

-6

9 + t/12 = -3 t/12 = -12 t = -144

12 plus 9 equals 21.

If: x+3+6x+9 = 0 then 7x+12 = 0 So: 7x = -12 and x = -12/7

Related questions

A + 9 = 21 A = 21 - 9 A = 12

-6

9 + t/12 = -3 t/12 = -12 t = -144

12 plus 9 equals 21.

-.6x+.5x+9=-3 -.1x=-12 x=120

If: x+3+6x+9 = 0 then 7x+12 = 0 So: 7x = -12 and x = -12/7

In math problems without punctuation such as brackets, the standard convention in to solve from left to right. Therefore, you would solve the problem 15-3 times 4 plus nine like by three actions. 15-3 equals 12; 12 times 4 equals 48; 48 plus 9 equals 57.

3

10

k equals 5.6

The equation does not have a solution.

The answer to 12 P plus 7 times 139 equals 39. This is taught in high school math.