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CBSE Class 10 Answered

 
7(y-3)-2(x=2)=14
4(y-2)+3(x-3)=2
Asked by balapj74 | 08 Jun, 2015, 06:44: PM
answered-by-expert Expert Answer
7 left parenthesis y minus 3 right parenthesis minus 2 left parenthesis x plus 2 right parenthesis equals 14 rightwards double arrow 7 y minus 21 minus 2 x minus 4 equals 14 rightwards double arrow negative 2 x plus 7 y equals 39................. left parenthesis i right parenthesis 4 left parenthesis y minus 2 right parenthesis plus 3 left parenthesis x minus 3 right parenthesis equals 2 rightwards double arrow 4 y minus 8 plus 3 x minus 9 equals 2 rightwards double arrow 3 x plus 4 y equals 19................. left parenthesis i i right parenthesis left parenthesis i right parenthesis cross times 3 plus left parenthesis i i right parenthesis cross times 2 29 y equals 155 rightwards double arrow y equals 155 over 29 S u b s t i t u t i n g space i n space left parenthesis i right parenthesis space w e space g e t comma minus 2 x plus 7 y equals 39 rightwards double arrow 2 x equals 7 y minus 39 rightwards double arrow 2 x equals 7 cross times 155 over 29 minus 39 rightwards double arrow 2 x equals 1085 over 29 minus 39 rightwards double arrow 2 x equals fraction numerator 1085 minus 1131 over denominator 29 end fraction rightwards double arrow 2 x equals negative 46 over 29 x equals negative 23 over 29 S o l u t i o n space s e t space i s open curly brackets negative 23 over 29 comma 155 over 29 close curly brackets P l e a s e space c h e c k space t h e space q u e s t i o n space p r o p e r l y.
Answered by Prasenjit Paul | 09 Jun, 2015, 10:00: AM

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