Math, asked by ps92899000, 7 months ago

Solve 3x+4y=10
2x-2y =20

Answers

Answered by sowmya2005

1

Answer:

Step-by-step explanation:

3x + 4y = 10 ................(i)

2x - 2y = 20

x - y = 20/2 = 10 ........(ii)

Multiply '4' to equation (ii)

4x - 4y = 40 .............(iii)

Add (i) and (iii)

7x = 50

x = 50/7

y = -20/7

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