Solve the following system of equations by the elimination method:
Solution :-
Step 1: Adding equation (1) and equation (2) and then dividing the new equation obtained with the common factor.
Dividing equation (3) with the number 210.
Step 2: Subtracting equation (2) from equation (1) and then dividing it with common factor
Dividing equation (5) with the number 42.
Step 3: Adding equation (4) and equation (6) we get,
Step 4: substitute the value of in equation (4) we get,
Hence ,the value of and .