Sqwilliam Sqwilliam

07-06-2017
Mathematics

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13x-6y=22 x=y+6 find x and y

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pagalkhanna pagalkhanna

11-06-2017

13x - 6y = 22
x - y = 6
6(x-y) = 6*6
6x - 6y = 36
subtract both the equations
13x - 6x -6y + 6y = -14
7x = -14
x = -2
13*-2 -6y=22
-26 -6y=22
-6y = 48
y = -8
answer: x = -2
y = -8

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