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  • 22-01-2017
  • Mathematics
Answered

Solve using elimination method

Solve using elimination method class=

Verified Answer :

bassmalla16 bassmalla16
  • 22-01-2017

4(3x+2y=4)
3(4x+7y=1)

12x+8y=16
-
12x+21y=3

-13y=13
 13\-13 
y = -1 

since y = -1 

3x+(-1*2)=4 
3x-2=4 

4+2=6 
then 3x = 6 
6/3 =2 
x=2

(-1,2)

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