Question

find two nos such that sum of twice first and thrice second is 103 and four times first excreds seven times second by 11

Answer 1

As per given data,
2x + 3y = 103 -------------(1)
4x=7y+11 i.e,. 4x - 7y= 11-------(2)

Mul (1) eq by 2
4x + 6y= 206----------(3)

do (2)-(3)

-13 y= -195
13 y= 195
y= 15

from (1)
2x=103-3y
sub y=15
2x=103-45
2x=58
x=29

so x=29 and y=15

Answer 2

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