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Question

Solve by using elimination method:

3x+4y=10and2x-2y=2


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Solution

Step 1: Find the value of x.

Given :

3x+4y=10...................(i)2x-2y=2....................(ii)

Multiply (ii) by 2

4x-4y=4...............(iii)

Add equation (i) and (iii) we get

7x=14x=147x=2

Step 2: Find the value of y

Put x=2 in equation (i) we get

3×2+4y=106+4y=104y=10-64y=4y=1

Hence, The solution of the given equation is x=2,y=1


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