Question

Solve x+2y =5 and 2x-y=0 using non graphical method

Answer 1

x = 1, y = 2

Step-by-step explanation:

• Here, we are given two linear equations. They are said to be linear equation. Because, the highest power in any term is 1.

• Here, we should know that we are asked to find out the values of two variables as x and y.

• In Algebra, we are required two equations to find out the values of two variables.

• It means, we can find out  the values of both variables easily.

• Now, x + 2y - 5 = 0    .....(1)

• 2x - y = 0        ........(2)

From equation (2), we have,

       2x = y

          x = $\dfrac{y}{2}$  put this value of x, in equation (1).

• $\dfrac{y}{2}$ + 2y - 5 = 0

y + 4y - 10 = 0

5y - 10 = 0

5y = 10

y =$\dfrac{10}{5}$

• y = 2 Put this value of y in (2).

2x - 2 = 0

      2x = 2

        x = $\dfrac{2}{2}$

        x = 1

Thus, x = 1, y = 2

Answer 2

Answer:

this answer is wrong ❌❌❌