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From the following matrix equation, find...

From the following matrix equation, find the value of `x:[[x+y,4],[-5,3y]]=[[3,4],[-5,6]]`

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Here,`[[x+y,4],[-5,3y]] = [[3,4],[-5,6]]`
`=>x+y = 3->(1)`
`=>3y = 6=>y = 2`
Putting value of `y` in (1),
`=>x+2 = 3=>x = 3-2`
`=>x = 1`
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