Answer:
x=0
3x-5y=2
3(0) -5y=2
0-5y=2
The three solutions of the given linear equation are:
[tex](1,0.2),(2,0.8),(4,2)[/tex]
Explanation:
Given
The linear equation is given by;
[tex]3x - 5y = 2[/tex]
Concept used
Take a random number as one of the variables, plug it into the given equation, then solve it for the other variable.
Solution
First solution:
Let us assume that x=1
Substitute this in the given equation;
[tex]3(1) - 5y = 2 [/tex]
On simplifying the above equation, we obtain;
[tex]3- 5y = 2 \\ - 5y = - 1 \\ y = \frac{1}{5} \\ y = 0.2[/tex]
Therefore, one of the solutions of the given equation is:
[tex](x,y) = (1,0.2)[/tex]
Second solution:
Let us assume that x=2
[tex]3(2) - 5y = 2 [/tex]
[tex]6 - 5y = 2 \\ - 5y = - 4 \\ y = \frac{4}{5} \\ y = 0.8 [/tex]
[tex](x,y) = (2,0.8)[/tex]
Third solution:
Now, let us assume that x=4
[tex]3(4) - 5y = 2 [/tex]
[tex]12 - 5y = 2 \\ - 5y = - 10 \\ y = \frac{10}{5} \\ y = 2[/tex]
[tex](x,y) = (4,2)[/tex]
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Answers & Comments
Answer:
x=0
3x-5y=2
3(0) -5y=2
0-5y=2
Answer:
The three solutions of the given linear equation are:
[tex](1,0.2),(2,0.8),(4,2)[/tex]
Explanation:
Given
The linear equation is given by;
[tex]3x - 5y = 2[/tex]
Concept used
Take a random number as one of the variables, plug it into the given equation, then solve it for the other variable.
Solution
First solution:
Let us assume that x=1
Substitute this in the given equation;
[tex]3(1) - 5y = 2 [/tex]
On simplifying the above equation, we obtain;
[tex]3- 5y = 2 \\ - 5y = - 1 \\ y = \frac{1}{5} \\ y = 0.2[/tex]
Therefore, one of the solutions of the given equation is:
[tex](x,y) = (1,0.2)[/tex]
Second solution:
Let us assume that x=2
Substitute this in the given equation;
[tex]3(2) - 5y = 2 [/tex]
On simplifying the above equation, we obtain;
[tex]6 - 5y = 2 \\ - 5y = - 4 \\ y = \frac{4}{5} \\ y = 0.8 [/tex]
Therefore, one of the solutions of the given equation is:
[tex](x,y) = (2,0.8)[/tex]
Third solution:
Now, let us assume that x=4
Substitute this in the given equation;
[tex]3(4) - 5y = 2 [/tex]
On simplifying the above equation, we obtain;
[tex]12 - 5y = 2 \\ - 5y = - 10 \\ y = \frac{10}{5} \\ y = 2[/tex]
Therefore, one of the solutions of the given equation is:
[tex](x,y) = (4,2)[/tex]