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Q: What is 7 plus 3 equals n plus 7?

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n= -2

1

2+3 = 5 * 2 = 10. 7+2 = 9 * 7 = 63.6+5 = 11 * 6 = 66.x+y = z * x = n.9+7 = 16 * 9 = 144

n + 7 = 10subtract 7 from both sidesn = 3

n = 8

3n+1=7 3*2+1=7

2+n-3 = 6 n = 6+3-2 n= 7

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

7 + n = 14 n = 7

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

3n+3=n+7 3n+3-n=n+7-n (subtract n from both sides) 2n+3=7 2n+3-3=7-3 (subtract 3 from both sides ) 2n=4 2n/2=4/2 (divided by 2 on both the sides) n=2 Answer: n=2

n = 7. 3(7) + 7 = 28. 21+7=28

Yes it does. Very good !

No. If your trying to find n, then you subtract four from each side. n = 10 That would be subtraction property of equality.

n=6

N=0

n2 - 10n + 21 = 0 Two numbers that sum to -10 and multiply to 21 are -3 and -7 So (n - 3)*(n - 7) = 0

3 + 9 = 12

N=3.

10+n=17 is equal to 10+7=17 n=7

N = -36

7n+10

n=-9.6

3

n = 2