X-2y=7
3x+y=35
linear equation
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x-2y=7______(eq1)
3x+y=35______(eq2)
..... Multiplying (eq2) by 2 ,we get
6x+2y=70_____(eq3)..
Now adding (eq3) and (eq1)
we get,
x-2y=7
+6x+2y=70
__________
7x =77
➡ x. =11
Now put this value of x in (eq1),we get
x-2y=7
➡11-2y=7
➡2y. =11-7
➡2y =. 4
➡y. =2....
3x+y=35______(eq2)
..... Multiplying (eq2) by 2 ,we get
6x+2y=70_____(eq3)..
Now adding (eq3) and (eq1)
we get,
x-2y=7
+6x+2y=70
__________
7x =77
➡ x. =11
Now put this value of x in (eq1),we get
x-2y=7
➡11-2y=7
➡2y. =11-7
➡2y =. 4
➡y. =2....
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