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x+y=5and2x_3y=4

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x+y=5and2x_3y=4

Posted by Mohabbat Ali 7 years, 7 months ago

CBSE > Class 10 > Mathematics

2 answers

Amarkant Kumar 7 years, 7 months ago

2x+2y= 10 (by multiplying by 2 both side in eqn (1))

0Thank You

Afeefa Afeefa 7 years, 7 months ago

x+y=5 ........... (i) 2x_3y=4 ........... (ii) now , We use elimination method to solve it So,multiply by 3 in eqn (i) 3x+3y=15 2x_3y=4 {adding both eqn} ............... 5x =19 x =19 5 now, Put the value of x in eqn (i) x+y=5 19+y=5 5 19+5y=25 5y=25_19 5y= 6 y= 6 5 Hence x=19 5 And y = 6 5

3Thank You

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CBSE > Class 10 > Mathematics