alleryWhich equation says that a number plus 4 equals 12?
Ax + 4 = 12
B4x = 12
Cx - 4 = 12
Dx + 12 = 4
Answer & Solution
Correct answer: A. x + 4 = 12
1. An equation states that two expressions are equal.
2. Only 2x + 4 = 12 has an equals sign joining two expressions.
3. The others are expressions with no equals sign.
_Source: Wikipedia, Elementary algebra, Equations_
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