Let us solve the following simultaneous linear equations in two variables by applying cross multiplication method.

7x – 3y – 31 = 0

9x – 5y – 41 = 0

Let us solve the following simultaneous linear equations in two variables by applying cross multiplication method.

ax + by = 1

Let us solve the following simultaneous equations in two variables by the method of substitution and check whether the solutions satisfy the equations.

Let us solve the following simultaneous equations in two variables by the method of substitution.

2(x – y) = 3

5x + 8y = 14

Let us write the area of the triangle formed by the graph of the equation 3x + 4y = 12 and the axes.

Let us draw the graph of the three equations x = 4, y = 3 and 3x + 4y = 12 and determine the area of the triangle formed by the graph.

Let us draw the graph of the following simultaneous linear equations and determine the coordinates of the point of intersection.

3x – 5y = 16 and 2x – 9y = 5

Let us draw the graph of the following simultaneous linear equations and determine the coordinates of the point of intersection.

y = 5 and 2x + 3y = 11

Let us draw the graph of the following simultaneous linear equations and determine the coordinates of the point of intersection.

x + y = 12 and x – y = 2

Let us form the simultaneous equations in each of the following cases and see whether the solution of them is possible or not.

Mita has bought 3 pens and 4 pencils at Rs. 42 from the shop of Jadabkaku. I bought 9 pens and 1 dozen pencils at the same rate to give gifts to my friends at the Rs. 126.

(a) Let me draw the graph after forming the simultaneous equations.

(b) With the help of graph, let me find whether the general solution of two equations can be determined.

(c) Let me write the price of 1 pen and 1 pencil separately from the graph.

Let us solve the following simultaneous equations in two variables by the method of substitution.