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uranmaximum [27]
3 years ago
8

- Solve the equation 3 + n = 12​

Mathematics
1 answer:
bija089 [108]3 years ago
8 0

Answer:

n = 9

Step-by-step explanation:

Method 1(Algebra) :

3 + n = 12

3 - 3 + n = 12 - 3

n = 9

Method 2:

3 + n = 12

Move 3 to the other side of the equation.

n = 12 - 3

n = 9

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