solve graphically first equation 2x-Y + 3=0 a and 3X- 5y+1=0
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3x-5y+1=0
2x-y+3=0
-(1)
(2)
multiplying eqn (2) by 5 we get 10x-5y+15=0 --- --- -(3)
subtracting eqn (3) from eqn (1) , we get
(3x-5y+1) - (10x-5y+15) =0-0
3x-5y+1-10x+5y-15=0
-7x-14=0
-7x=14
X=-2
putting the value of x = -2 in eqn
(2) we get 2 (-2)-y+3=0
-4-y+3 =0
-y-1=0
-y=1
y = -1
x=-2 and y = -1
Step-by-step explanation:
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