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Subjects>Math>Math & Arithmetic

7 x over 8 plus equals 21 what is x?

Updated: 11/2/2022

Wiki User

∙ 11y ago

Best Answer

7x/8 = 21 so 7x = 21*8

x = 12*8/7 = 3*8 = 24

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∙ 11y ago

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4 over 7 plus parenthesis minus 1 over 3 parenthesis equals?

13/21 - 7/21 = 6/21 Sorry, DJ, 4 over 7 = 12/21 so answer is 5/21

What is X over 11 plus 21 equals 7?

x/11 + 21 = 7 x/11 = -14 x = -154

Is X over 11 plus 21 equals 7?

x/11 + 21 = 7 x/11 = -14 x = -154

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

3 x 7 plus y equals 21?

3 x 7 + 0 = 21

Related questions

What is the answer to C over 3 plus 4 equals 11?

The answer is 21 because if 21 is divided by 3 it equals 7 plus 4 equals 11.

4 over 7 plus parenthesis minus 1 over 3 parenthesis equals?

13/21 - 7/21 = 6/21 Sorry, DJ, 4 over 7 = 12/21 so answer is 5/21

What is X over 11 plus 21 equals 7?

x/11 + 21 = 7 x/11 = -14 x = -154

Is X over 11 plus 21 equals 7?

x/11 + 21 = 7 x/11 = -14 x = -154

What is 7 plus 7 plus 4 plus 3 equals?

It's 21.

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

What is 9 plus 5 plus 7 equals?

21

5 plus 7 plus 9 equals?

21

What is 7 plus 21 plus 2 plus 86 plus 4 equals?

7 + 21 + 2 + 86 + 4 = 120

Does -7 plus -14 equals -21?

Yes.

What is 9a plus 21 equals?

9a+21 3(3a+7)

3 x 7 plus y equals 21?

3 x 7 + 0 = 21

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7 x over 8 plus equals 21 what is x?

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