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Q: What is x plus 9 plus 12 equals -3?

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3 + 9 = 12

12 plus 9 equals 21.

-3

9 divided by 9 equals 1, and 3 times 12 equals 36. 1 plus 36 equals 37.

-9

12 divided by 4 plus 2 times 3 = 9

-3

3

-9 plus 6 equals -3.

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

3+3x3-3+3=3+9-3+3=12-3+3=9+3=12the answer is 12

An algebraic equation; Y=9

do you mean what is 3+6+9-12? The answer is 6: 3+6=9 9+9=18 18-12=6 :)

-12

2x + 3 = -92x = -12x = -6

-6

76

2 plus 3 equals 5 7 plus 2 equals 9 6 plus 9 equals 15 8 plus 4 equals 12 9 plus 7 equals 16 Am I missing something here? Probably. You say 2+3=5, but the question clearly states 2+3=10. Why would it say that? Suppose you had only one hand. You count 1,2,3,4,5,10,11,12. That last doesn't mean "twelve" as we know it, Jim. It means one hand (5), plus 2 spare ones. We could say: if 2+3=10, 5+2=12.

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

that equals 72

12+3(y) 12+ 3(-3) 12 + {3x (-3)} 12+ (-9) 12-9 3

9*12 = 108

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.

4a+3-a =12 4a-a = 12-3 3a = 9 a = 3