# Which of the following is a correctly written algebraic equation?

a + 0.2x

5b - 5x + 2

a - 3x = 0

3(x ÷ 5)

### 6 Answers

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- lenpol7Lv 72 months ago
The only correct 'equation' is a - 3x = 0 . Reason ; it contains an 'equals' sign. The rest are just expressions.

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- az_lenderLv 72 months ago
An "equation" must contain an equals sign (=), and obviously only the third line has that.

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