Answer:
(5,0) is the solution of the given equation.
(0,-4) is the solution of the given equation.
Step-by-step explanation:
Here, the given equation is: 4 x- 5y = 20
Now, we need to find a value for (x,y) such that the above equation is satisfied.
The ONLY POSSIBLE way to do this is Hit and Trial.
Let us substitute x = 0
Then the equation becomes : 4 (0) - 5y = 20
or, -5 y = 20 ⇒ y = -20/5 = - 4
So, for x = 0, y = - 4
So, (0,-4) will be the solution of the given equation.
Let us substitute y = 0
Then the equation becomes : 4 (x) - 5(0) = 20
or, 4 x = 20 ⇒ x = 20/4 = 5
So, for x = 5, y = 0
So, (5,0) will be the solution of the given equation.
We can try another substitution as well.
For any value of x, we will get a corresponding value of y. So, (x,y) will be the solution of the given equation.
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