Question

System of equations.

4x+5y=15; 6x-5y=18?

Answer 1

Step 1 :

The system is 

Solve the system by using elimination method.

Elimination method :

Add equation (1) and equation (2).

The resultant equation is .

Consider .

Divide each side by 10.

.

Substitute the value in equation (1).

Thus, the solution of the system is and .

Solution :

The solution of the system is and .