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If [[3x,7],[-2,4]]=[[8,7],[6,4]] , find the value of x - Mathematics

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If `[[3x,7],[-2,4]]=[[8,7],[6,4]]`, find the value of x

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Solution

`[[3x,7],[-2,4]]=[[8,7],[6,4]]`

12x+14=3242

12x+14=10

12x=24

x=2

Hence, the value of x = −2.

Concept: Introduction of Operations on Matrices
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