Solve the following by simultaneous equation x+y=11,2x-3y=7
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Answer:
x + y = 11 .....(I)
2x - 3y = 7 ..... (II)
Multiply (I) with 3
3x + 3y = 33 ..... (III)
Adding (II) and (III)
5x = 40
x = 8
Putting the value of x in (I)
8 + y = 11
y = 3
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