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ICSE Class 9 Answered

2x+x-y/6=2 x-2x+y/3=1
Asked by sangam.rai94 | 21 May, 2019, 06:41: AM
answered-by-expert Expert Answer
begin mathsize 16px style 2 straight x space plus space straight x space minus straight y over 6 space equals space 2 space
rightwards double arrow 18 straight x space minus space straight y space equals space 12 space space space... space left parenthesis straight i right parenthesis
straight x space minus space 2 straight x space plus fraction numerator begin display style straight y end style over denominator begin display style 3 end style end fraction space equals 1
rightwards double arrow space minus 3 straight x space plus space straight y space equals space 3 space space space... space left parenthesis ii right parenthesis
Adding space left parenthesis straight i right parenthesis space and space left parenthesis ii right parenthesis comma space we space get
rightwards double arrow space 15 straight x space equals space 15
rightwards double arrow space straight x space equals space 1
Put space straight x space equals space 1 space in space left parenthesis straight i right parenthesis comma space we space get
18 left parenthesis 1 right parenthesis space minus space straight y space equals space 12
rightwards double arrow space straight y space equals space 6
rightwards double arrow space straight x equals space 1 space and space straight y space equals space 6 end style
Answered by Yasmeen Khan | 21 May, 2019, 10:09: AM
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