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Subjects>Math>Math & Arithmetic

What is the answer to 2d plus 7 equals 9?

Anonymous

∙ 12y ago

Updated: 9/22/2023

To keep it balanced, whatever you do to one side of the equals, do to the other:

2d + 7 = 9

⇒ 2d + 7 - 7 = 9 - 7

⇒ 2d = 2

⇒ 2d ÷ 2 = 2 ÷ 2

⇒ d = 1

Wiki User

∙ 12y ago

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Continue Learning about Math & Arithmetic

4d-11 equals 2d plus 7?

4(9)-11=25 2(9)+7=25 d=9

Y plus 7 equals 9?

Y+7=9 equals 2+7=9.

IF 2 plus 3 equals 10 7 plus 2 equals 63 6 plus 5 equals 66 8 plus 4 equals 96 THEN 9 plus 7 equals?

The answer is 144. The compound operator for (a) and (b) in each pair is a * (a+b). For 9 and 7, this is 9 x (9+7) = 9 x 16 = 144.

If 2 plus 3 equals 10 and 7 plus 2 equals 63 and 6 plus 5 equals 66 and 8 plus 4 equals 96 and 8 plus 4 equals 96 then 9 plus 7 equals?

144 9+7 = 16 and 9*16 = 144

What plus 9 equals 7?

It is: -2+9 = 7

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