Q. 155.0( 4 Votes )

# If <span lang="EN

Answer :

Given two matrices are equal. We know that if two matrices are equal then the elements of each matrices are also equal.

2x + 1 = x + 3 …… (1)

2x – x = 3 – 1

x = 2

And 5x = 10 …… (2)

y2 + 1 = 26…… (3)

y2 = 26 – 1

y2 = 25

y = 5 or – 5

x = 2, y = 5 or – 5

x + y = 2 + 5 = 7

Or x + y = 2 – 5 = – 3

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