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If [x 2] {bmatrix}3 4{bmatrix} = 2, then find x.

Question

If $[x 2] [34] = 2$ , then find $x$ .

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Elizabeth Discussed

[x 2] [34] = 2

, then find

x

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Text solutionVerified

[x 2] [34] = 2

\Rightarrow

3 x + 8 = 2

\Rightarrow

3 x = 2 - 8

\Rightarrow

3 x = - 6

\Rightarrow

x = \frac{- 6}{3}

∴

x = - 2

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