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Subjects>Math>Math & Arithmetic

What is 3n plus 7 equals 28?

Updated: 9/22/2023

Wiki User

∙ 12y ago

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

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∙ 4y ago

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If n is 2 3n plus 1 equals 7?

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

3n plus 6 equals n plus 20?

3n + 6 = n + 202n = 14n = 7

How do you solve 30-3n equals 4n plus 2?

-add 3n to both sides -subtract 2 from both sides -cancel out the both -divide 28 by 7.

What is 2n plus 3n plus 7 equals -41?

n=-9.6

What is the sum of the equation 3n plus 4n equals -14?

3n + 4n = -14 7n /7 = -14 /7 n = -2

Related questions

What is 2n-4 7n plus 7?

5n + 7 = 28 + 2n (-2n) 3n + 7 = 28 (-7) 3n = 21 therefore, n = 7

If n is 2 3n plus 1 equals 7?

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

3n plus 6 equals n plus 20?

3n + 6 = n + 202n = 14n = 7

What is 3n plus 2n equals 7 plus 4n?

3n + 2n = 7 + 4n 5n = 7 + 4n 5n - 4n = 7 n = 7

How do you solve 30-3n equals 4n plus 2?

-add 3n to both sides -subtract 2 from both sides -cancel out the both -divide 28 by 7.

What is the answer to 5n-7 equals 3n plus 2?

4n

What is 2n plus 3n plus 7 equals -41?

n=-9.6

What is the sum of the equation 3n plus 4n equals -14?

3n + 4n = -14 7n /7 = -14 /7 n = -2

What is 3n plus 4 equals 7?

3n + 4 = 7(- 4 from both sides)3n = 3(divide both sides by 3)n = 1

What is the answers for this problem 3n-7 plus 2n equals 8n plus 11?

n = -6

Is 3n the gcf of 3n plus 7 and 9n?

No. 3n is not a factor of 3n + 7.

What mistake was made in this equation 3x plus 7 equals -4x plus 28 -x plus 7 equals 28 -x equals 21 x equals -21?

3x + 7 = -4x + 28 implies 7x + 7 = 28

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