Question 27

Fill in the blanks to make the statement true.
................ is the solution of 3x + 10 = 7.

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Solution

Solving the given equation for x,
$\Rightarrow 3 x + 10 = 7 \Rightarrow 3 x = 7 - 10 \Rightarrow 3 x = - 3 \Rightarrow \frac{3 x}{3} = \frac{- 3}{3} x = - 1$

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