solve the following pair of equations graphically 5x-4y=1 -0.25x+0.5y=1/4

solve the following pair of equations graphically 5x-4y=1    -0.25x+0.5y=1/4
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5x-4y=1 

=> y = 5/4x - 1/4      ------------------(1)

m1 = 5/4 and c1= -1/4

 

-0.25x+0.5y=1/4

Multiply 4 on both side of the equation:

-x + 2y = 1

=> 2y = x + 1

=> y = x/2 + 1/2  

m2 = 1/2 and c2 =1/2

 

by Level 8 User (30.1k points)
Forgot to write,

The solution is where 2 lines intersect and in the above picture it is (1,1)

ie.  x=1 and y=1
by Level 8 User (30.1k points)

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