Answered

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Which of the following math statements contain variable(s)? Check all that apply.
A.
? + 7 = 12
B.
15 - 5 = ___
C.
13 - x = 9
D.
1 + 6 = 7

Sagot :

Muirheada8

Answer:

It's D

Step-by-step explanation:

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