(iv) 4x + y=34; x+4y= 16
uations.
(ii) +5y = 13 ; 2x+ =19
2.
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Answer:
4x + y = 34.......[1]
x + 4y = 16........[2]
Adding [1] and [2]
5x + 5y = 50
x + y = 10........[3]
Subtractimg [2] from [1]
3x - 3y = 18
x - y = 6........[4]
Adding [4] and [3]
2x = 16
x = 8
put x = 8 in [3]
8 + y = 10
y = 2
so solution set is x = 8 and y = 2
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