Best Answer

So, 3 + 12 = n + 3. Subtract 3 from both sides of the equation and get

12 = n or

n = 12 if you prefer.

Q: 3 plus 12 equals n plus 3?

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3 + 9 = 12

your expression is this... n+5=3+12 n+5=15 n=10

n=3

Double Dutch

If n + 7 = 12, then n = 12 - 7

6n -3=2n+9 6n-2n=9+3 4n=12 n=12/4 n=3

N=0.

Yes it does. Very good !

2n plus 7 equals 19 2n equals 12 n equals 6

n=22 22 +12 34

6n+3=15 6n+3-3=15-3=12 6n = 12 n=12/6 = 2

N=0