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Question

Find the value of X and Y if
2X+3Y=[2340] and 3X+2Y=[2215]

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Solution

Find the value of X and Y if
2X+3Y=[2340] 3X+2Y=[2215]
let Assume [2340] = A
[2215] = B
2x+3y=A __ (i)
3x+2y=B __ (ii)
multiple equation (i) with 2 & equation (ii) with (3)
4x+6y=2A
9x+6y=3B
________________
5x=2A3B
x=15[2A3B]
x=3B52A5
=35[2215]25[2340]
=[6/56/53/53][4/56/58/50]
=[6/54/54/56/53/58/530]
x=[1/512/511/53]
value of x put in equation (i)
[2/524/522/56]+3y=[2340]
3y=[22/53+24/54+22/506]=[8/539/542/56]
y=[8/1539/1542/152]



1121954_1247995_ans_8c3fbbd7396840909955b3c1743039e9.jpg

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