find four solutions of 2x-3y=-4
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2x-3y=-4
i)Let's take the value of x=1 giving the value of y as:-
2(1)-3y=-4
2-3y=-4
-3y=-4-2
-3y=-6
y=-6/-3
y=2
Here, (x and y) = (1 and 2)
ii)Let's take the value of y=1 giving the value of x as:-
2x-3(1)=-4
2x-3=-4
2x=-4+3
2x=-1
x=-1/2
Here, (x and y) = (-1/2 and 1)
iii)Let's take the value of x=0 giving the value of y as:-
2(0)-3y=-4
0-3y=-4
3y=-4-0
3y=-4
y=-4/3
Here, (x and y) = (0 and -4/3)
iv)Let's take the value of y=0 giving the value of x as:-
2x-3(0)=-4
2x-0=-4
2x=-4+0
2x=-4
x=-4/2
x=-2
Here, (x and y) = (-2 and 0)
Hence, the four solutions of the equation 2x-3y=-4 are (1,2), (-1/2,1), (0,-4/3) and (-2,0).
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