Question

3x+4y=7
13-12y=25
y=6x
10x+11y=21
2x-y=7
x+y=0

find equations plzz it is urgent... ​

Answer 1

Answer:

Explanation:

Given equation 13x−12y=25

(i)13x−12y=25

If y=1 put in equation we get

13x−12×1=25

⇒13x−12=25

⇒13x=25+12=37

⇒x=  

13

37

​  

 

(  

13

37

​  

,1)

(ii)13x−12y=25

If y=2 put in equation we get

13x−12×2=25

⇒13x−24=25

⇒13x=25+24=49

⇒x=  

13

49

​  

 

(  

13

49

​  

,2)

(iii)13x−12y=25

If y=3 put in equation we get

13x−12×3=25

⇒13x−36=25

⇒13x=25+36=61

⇒x=  

13

61

​  

 

(  

13

61

​  

,3)

Answer 2

Answer:

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Explanation:

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SORRY FOR IRRELEVANT ANSWER :(