Check whether the following are satisfying the condition of a simple equation?

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Check whether the following are satisfying the condition of a simple equation? [3 MARKS]
a) $6 x + \frac{4 x}{3} + 4$
b) $2 t + 34 = 42$
c) $2 x^{2} + 4 x + 2 = 0$

Options:

Answer: Option A
:

1 Mark each
a) No; It is an expression not equation because it does not have "=” sign in it.
b) Yes; It is an equation because "=” sign is present in it.
c) No; In a simple equation, the highest degree of the polynomial is one whereas here the highest power is 2.

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