x-y+1=0 , 3x+2y-12=0 solve by elimination method
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From eq1 we get
x=-1+y
putting the value of x in eq 2 we get
3(-1+y)+2y=12
-3+3y+2y=12
5y=12+3
y=15/5=3
put the y=3 in eq 1we get
x-3+1=0
x-4=0
x=4
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